{"id":53124,"date":"2022-06-21T16:50:52","date_gmt":"2022-06-21T13:50:52","guid":{"rendered":"https:\/\/themeisle.com\/blog\/?p=53124"},"modified":"2023-05-04T17:53:22","modified_gmt":"2023-05-04T14:53:22","slug":"501-not-implemented-error-wordpress","status":"publish","type":"post","link":"https:\/\/themeisle.com\/blog\/501-not-implemented-error-wordpress\/","title":{"rendered":"How to Fix &#8220;501 Not Implemented Error&#8221; on WordPress (7 Easy Solutions)"},"content":{"rendered":"\n<p>Encountering a <strong>\u201c501 not implemented\u201d error on your WordPress site<\/strong>? \ud83e\udd14<\/p>\n\n\n\n<p>Any HTTP error that begins with \u201c5\u201d indicates a server issue. This means that the 501 error appears due to an issue on your web server. To remove the error, you will typically need to contact your hosting provider and alert them about the error on your site. <\/p>\n\n\n\n<!--more-->\n\n\n\n<p>That said, sometimes problems with your computer or browser can also cause the 501 error. <a href=\"#fix\">So we recommend trying out a few solutions to fix it<\/a>. <\/p>\n\n\n\n<p>You can contact \u260e\ufe0f your hosting provider after you have tried all the solutions and failed to remove the error from your site. <\/p>\n\n\n\n<p>Let\u2019s get started.<\/p>\n\n\n\n\t\t<div class='ti-tweet-clear'><\/div>\n\t\t\t<div class='ti-tweet_wrapper'>\n\t\t    \t<div class='ti-tweet_text'>\n\t\t    \t\t<a href='https:\/\/twitter.com\/share?text=7+easy+solutions+to+fix+the+%27501+not+implemented%27+%23error+on+%23WordPress&via=themeisle&related=themeisle&url=https:\/\/themeisle.com\/blog\/501-not-implemented-error-wordpress\/' target='_blank' rel='nofollow'>7 easy solutions to fix the '501 not implemented' #error on #WordPress<\/a>\n\t\t    \t<\/div>\n\t\t    \t<div class='ti-tweet_sharebtn'>\n\t\t    \t<a href='https:\/\/twitter.com\/share?text=7+easy+solutions+to+fix+the+%27501+not+implemented%27+%23error+on+%23WordPress&via=themeisle&related=themeisle&url=https:\/\/themeisle.com\/blog\/501-not-implemented-error-wordpress\/' target='_blank' rel='nofollow'>Click To Tweet \n\t\t    \t\t<span><\/span>\n\t\t    \t<\/a>\n\t\t    <\/div>\n\t\t<\/div>\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:40px 0;border-width:1px;border-color:#999999\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">What is the 501 not implemented error? What causes the error?<\/h2>\n\n\n<div class=\"wp-block-image blog-img-std\">\n<figure class=\"aligncenter size-full\"><img data-opt-id=174281478  fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"726\" src=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:1024\/h:726\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/501-Not-Implemented.png\" alt=\"501 Not Implemented\" class=\"wp-image-53125\" srcset=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:1024\/h:726\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/501-Not-Implemented.png 1024w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:300\/h:213\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/501-Not-Implemented.png 300w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:768\/h:545\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/501-Not-Implemented.png 768w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:1521\/h:1080\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/501-Not-Implemented.png 1536w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:50\/h:35\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/501-Not-Implemented.png 50w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:338\/h:240\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/501-Not-Implemented.png 338w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:560\/h:397\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/501-Not-Implemented.png 560w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:846\/h:600\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/501-Not-Implemented.png 846w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:209\/h:148\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/501-Not-Implemented.png 209w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:275\/h:195\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/501-Not-Implemented.png 275w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:190\/h:135\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/501-Not-Implemented.png 190w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:1522\/h:1080\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/501-Not-Implemented.png 1748w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:1522\/h:1080\/q:mauto\/f:best\/dpr:2\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/501-Not-Implemented.png 2x\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure><\/div>\n\n\n<p>The 501 not implemented error shows up when the server does not respond to a request made by a browser. <\/p>\n\n\n\n<p>When you open a page on your website, your browser makes a request to your web server. If all goes well, the server responds with the requested resources, and you see your website loading in your browser. But if the server fails to respond, you are shown an <a href=\"https:\/\/themeisle.com\/blog\/what-are-http-error-codes\/\">HTTP status code<\/a>, like <a href=\"https:\/\/themeisle.com\/blog\/fix-503-error-wordpress\/\">503 services unavailable error<\/a>, <a href=\"https:\/\/themeisle.com\/blog\/502-bad-gateway-wordpress\/\">502 bad gateway error<\/a>, 501 not implemented error, etc. <\/p>\n\n\n\n<p>The 501 not implemented error shows up when the web server lacks the functionality to retrieve or show information that the web browser has requested. To remove the error and access your site, you often need to inform your hosting provider and seek their help. <\/p>\n\n\n\n<p>It&#8217;s worth mentioning that the 501 error message looks different on different browsers. These are some of the variants you are likely to come across: <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The server either does not recognize the request method, or it lacks the ability to fulfill the request.<\/li>\n\n\n\n<li>HTTP Error 501 Not implemented<\/li>\n\n\n\n<li>HTTP 501<\/li>\n\n\n\n<li>Error 501<\/li>\n<\/ul>\n\n\n\n<p>Before you jump to the solutions, let\u2019s first look at some non-server related causes for the error:<\/p>\n\n\n<div class=\"su-divider su-divider-style-default\" style=\"margin:40px 0;border-width:15px;border-color:#4267cf\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Non-server related causes of the 501 error<\/h3>\n\n\n\n<p>There are two primary non-server related causes for the 501 error. Those are:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Virus-Infected system <\/h4>\n\n\n\n<p>The 501 error could be appearing on your site due to a virus infection on your computer. <\/p>\n\n\n\n<p>When a computer is infected by a virus, it often takes over web browsers installed in the system. As soon as the virus starts controlling your browser, it prevents your browser from establishing a connection with your web server. In such cases, the virus on your computer is the main culprit and not the hosting server. <\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Spike in traffic due to promotion or DDoS attack <\/h4>\n\n\n\n<p>Overloading of your web server is another common trigger for the 501 not implemented error to appear on your website. <\/p>\n\n\n\n<p>Hosting servers become overwhelmed when they experience a sudden increase in traffic. This typically happens when you are running a promotion that is drawing a lot more attention than you anticipated. <\/p>\n\n\n\n<p>The hosting server can also get overwhelmed if your website is undergoing a <a href=\"https:\/\/themeisle.com\/blog\/ddos\/\">DDoS attack<\/a>. In this type of attack, hackers target your site and send an army of bots to overwhelm and crash your server. <\/p>\n\n\n\n<p>If you try and open your website during a DDoS attack, your hosting server will fail to respond, and it will throw the 501 not implemented error. <\/p>\n\n\n\n<p>These two are the non-server related causes for the 501 error. In the next section, we will show you how to fix these causes and remove the error from your website. <\/p>\n\n\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:40px 0;border-width:1px;border-color:#999999\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"fix\">How to remove the 501 not implemented error from your WordPress website<\/h2>\n\n\n\n<p>Beyond contacting your hosting provider, there are a few solutions you can try to remove the 501 error from your site. Those are:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"#reload-page\">Reload page<\/a><\/li>\n\n\n\n<li><a href=\"#different-browser\">Try a different browser<\/a><\/li>\n\n\n\n<li><a href=\"#clear-cache\">Clear browser cache<\/a><\/li>\n\n\n\n<li><a href=\"#proxy-server\">Disable proxy server<\/a><\/li>\n\n\n\n<li><a href=\"#ddos\">Check for DDoS attack<\/a><\/li>\n\n\n\n<li><a href=\"#virus-scan\">Perform a virus scan<\/a><\/li>\n\n\n\n<li><a href=\"#reach-out\">Reach out to your host<\/a><\/li>\n<\/ol>\n\n\n<div class=\"su-divider su-divider-style-default\" style=\"margin:40px 0;border-width:15px;border-color:#4267cf\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"reload-page\">1. Reload page<\/h3>\n\n\n\n<p>We know you have probably already tried reloading the site. But we still recommend waiting for a minute or two and reloading the site again. <\/p>\n\n\n\n<p>If it\u2019s a temporary glitch, your website should be up and running right now. If not, then proceed to the next solution. <\/p>\n\n\n<div class=\"su-divider su-divider-style-default\" style=\"margin:40px 0;border-width:15px;border-color:#4267cf\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"different-browser\">2. Try a different browser<\/h3>\n\n\n\n<p>Open the site on a different browser like Firefox, Safari, Opera Mini, Microsoft Edge, etc., and check your site. <\/p>\n\n\n\n<p>If you can successfully open the site, then the problem stems from your browser and not the web server. The best way to solve this problem is by clearing your cache. <\/p>\n\n\n<div class=\"su-divider su-divider-style-default\" style=\"margin:40px 0;border-width:15px;border-color:#4267cf\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"clear-cache\">3. Clear browser cache<\/h3>\n\n\n\n<p>To improve performance, browsers will store certain static files locally in their system, so that when a visitor returns to the site, the browser won\u2019t have to download those files again. This whole process is called browser caching, and it\u2019s an effective way of <a href=\"https:\/\/themeisle.com\/blog\/website-speed-optimization\/\">speeding up a website<\/a>. <\/p>\n\n\n\n<p>Although browser caching is wildly popular, it has a few drawbacks. For instance, the browser can end up making a copy of your site when it\u2019s throwing the 501 not implemented error. And even when the error has resolved itself, the browser keeps showing you the cached version of the site, the one that has the error. <\/p>\n\n\n\n<p>Clearing the cache should show if the error is really gone or if it persists. <\/p>\n\n\n<div class=\"su-note\"  style=\"border-color:#e5e5e5;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#ffffff;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n\n\n\n<p>We&#8217;ll show you how to clear the browser cache for Chrome below, but you can also check out our <a href=\"https:\/\/themeisle.com\/blog\/how-to-clear-cache\/\">guide on how to clear the browser cache in all major browsers<\/a>.<\/p>\n\n\n<\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Clear browser cache in chrome<\/h4>\n\n\n\n<p>To clear the cache from your Google Chrome browser, select Menu or the <strong>three dots <\/strong>that appear on the right-hand corner of the screen. <\/p>\n\n\n\n<p>Then go to <strong>More tools <\/strong>and select<strong> Clear browser data <\/strong>and a pop-up will appear. Next, select <strong>Cached images and files <\/strong>and hit the <strong>Clear data <\/strong>button. <\/p>\n\n\n<div class=\"wp-block-image blog-img-std\">\n<figure class=\"aligncenter size-full\"><img data-opt-id=394658562  fetchpriority=\"high\" decoding=\"async\" width=\"504\" height=\"473\" src=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/clear-cache-on-google-chrome.png\" alt=\"clear cache on google chrome\" class=\"wp-image-53128\" srcset=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:504\/h:473\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/clear-cache-on-google-chrome.png 504w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:300\/h:282\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/clear-cache-on-google-chrome.png 300w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:50\/h:47\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/clear-cache-on-google-chrome.png 50w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:256\/h:240\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/clear-cache-on-google-chrome.png 256w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:423\/h:397\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/clear-cache-on-google-chrome.png 423w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:158\/h:148\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/clear-cache-on-google-chrome.png 158w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:208\/h:195\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/clear-cache-on-google-chrome.png 208w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:144\/h:135\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/clear-cache-on-google-chrome.png 144w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:504\/h:473\/q:mauto\/f:best\/dpr:2\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/clear-cache-on-google-chrome.png 2x\" sizes=\"(max-width: 504px) 100vw, 504px\" \/><figcaption class=\"wp-element-caption\">Hit the &#8220;Clear data&#8221; button to clear cache <\/figcaption><\/figure><\/div>\n\n\n<p>It will take a few seconds for Chrome to clean the cache. Afterward, check your site for the 501 error. If the error persists even after clearing the cache, proceed to the next step. <\/p>\n\n\n<div class=\"su-note\"  style=\"border-color:#e5e5e5;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#ffffff;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n\n\n\n<p>Using browsers like Safari, Firefox, Opera, and Microsoft Edge instead of Google Chrome? <a href=\"https:\/\/themeisle.com\/blog\/how-to-clear-cache\/\">Here\u2019s a guide<\/a> that\u2019ll show you how to clear cache in those browsers.<\/p>\n\n\n<\/div><\/div>\n\n\n<div class=\"su-divider su-divider-style-default\" style=\"margin:40px 0;border-width:15px;border-color:#4267cf\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"proxy-server\">4. Disable proxy server<\/h3>\n\n\n\n<p>If you are surfing the web using a proxy server, then it\u2019s probably affecting how the browser communicates with your web server. You will need to disable it and then check your website for the 501 error. <\/p>\n\n\n\n<p>Proxy server installed on your computer can easily be disabled by opening the program and selecting the disconnect button.<\/p>\n\n\n\n<p>Proxy server installed on Chrome browser as extensions can be disabled by simply opening the extension and hitting the disconnect button. <\/p>\n\n\n<div class=\"wp-block-image blog-img-std\">\n<figure class=\"aligncenter size-full\"><img data-opt-id=931194231  fetchpriority=\"high\" decoding=\"async\" width=\"440\" height=\"569\" src=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/disable-vpn-on-chrome.png\" alt=\"disable vpn on chrome - 501 not implemented\" class=\"wp-image-53127\" srcset=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:440\/h:569\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/disable-vpn-on-chrome.png 440w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:232\/h:300\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/disable-vpn-on-chrome.png 232w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:39\/h:50\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/disable-vpn-on-chrome.png 39w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:186\/h:240\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/disable-vpn-on-chrome.png 186w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:307\/h:397\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/disable-vpn-on-chrome.png 307w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:114\/h:148\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/disable-vpn-on-chrome.png 114w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:151\/h:195\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/disable-vpn-on-chrome.png 151w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:104\/h:135\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/disable-vpn-on-chrome.png 104w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:440\/h:569\/q:mauto\/f:best\/dpr:2\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/disable-vpn-on-chrome.png 2x\" sizes=\"(max-width: 440px) 100vw, 440px\" \/><figcaption class=\"wp-element-caption\">Click on the disconnect button to disable proxy server<\/figcaption><\/figure><\/div>\n\n\n<p>Alternately, you can open the <strong>three dots <\/strong>that appear on the right-hand corner of the screen and go to <strong>Settings<\/strong>. On the next page, there is a search bar. <strong>Write \u201cproxy\u201d in the search bar <\/strong>and Google will show you the VPN or the proxy server installed on Chrome. Disable it by selecting the <strong>Disable <\/strong>button.<\/p>\n\n\n<div class=\"wp-block-image blog-img-std\">\n<figure class=\"aligncenter size-full\"><img data-opt-id=988774031  data-opt-src=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png\"  decoding=\"async\" width=\"831\" height=\"567\" src=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:eco\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png\" alt=\"proxy setting in google chrome - 501 not implemented\" class=\"wp-image-53129\" old-srcset=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:831\/h:567\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 831w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:300\/h:205\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 300w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:768\/h:524\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 768w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:50\/h:34\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 50w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:352\/h:240\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 352w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:582\/h:397\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 582w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:217\/h:148\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 217w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:286\/h:195\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 286w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:198\/h:135\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 198w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:831\/h:567\/q:mauto\/f:best\/dpr:2\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 2x\" \/><noscript><img data-opt-id=988774031  decoding=\"async\" width=\"831\" height=\"567\" src=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png\" alt=\"proxy setting in google chrome - 501 not implemented\" class=\"wp-image-53129\" srcset=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:831\/h:567\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 831w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:300\/h:205\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 300w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:768\/h:524\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 768w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:50\/h:34\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 50w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:352\/h:240\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 352w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:582\/h:397\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 582w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:217\/h:148\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 217w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:286\/h:195\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 286w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:198\/h:135\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 198w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:831\/h:567\/q:mauto\/f:best\/dpr:2\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/proxy-setting-in-google-chrome.png 2x\" sizes=\"(max-width: 700px) 100vw, 700px\" \/></noscript><figcaption class=\"wp-element-caption\">Select the &#8220;Disable&#8221; button to disable proxy server<\/figcaption><\/figure><\/div>\n\n<div class=\"su-divider su-divider-style-default\" style=\"margin:40px 0;border-width:15px;border-color:#4267cf\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ddos\">5. Check for DDoS attack<\/h3>\n\n\n\n<p>A DDoS attack is a type of hack attack in which a hacker sends numerous bots to a website in hopes of overwhelming and crashing its server. If you open your site during a DDoS attack, you are likely to see the 501 not implemented error. <\/p>\n\n\n<div class=\"su-note\"  style=\"border-color:#e5e5e5;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#ffffff;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n\n\n\n<p>To learn how to protect your site, you can <a href=\"https:\/\/themeisle.com\/blog\/wordpress-ddos-protection\/\">follow our guide to WordPress DDoS protection<\/a>.<\/p>\n\n\n<\/div><\/div>\n<div class=\"su-divider su-divider-style-default\" style=\"margin:40px 0;border-width:15px;border-color:#4267cf\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"virus-scan\">6. Perform a virus scan<\/h3>\n\n\n\n<p>The presence of a virus on your computer can impact how your browser communicates with your web server. It can prevent proper communication from causing the 501 error on your WordPress website.<\/p>\n\n\n\n<p>To know if your computer is virus-infected, you need to carry out a complete scan of your system. On Windows, you can run a full scan using the native Windows Defender. For Mac, Chromebook, and Linux a separate antivirus program has to be installed. <\/p>\n\n\n\n<p>If you find that your computer is infected with a virus, don\u2019t worry. The antivirus program will help you remove it from your system. <\/p>\n\n\n<div class=\"wp-block-image blog-img-std\">\n<figure class=\"aligncenter size-full\"><img data-opt-id=292974506  data-opt-src=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png\"  decoding=\"async\" width=\"817\" height=\"611\" src=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:eco\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png\" alt=\"windows defender full scan\" class=\"wp-image-53126\" old-srcset=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:817\/h:611\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 817w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:300\/h:224\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 300w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:768\/h:574\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 768w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:50\/h:37\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 50w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:321\/h:240\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 321w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:531\/h:397\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 531w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:802\/h:600\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 802w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:198\/h:148\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 198w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:261\/h:195\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 261w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:181\/h:135\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 181w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:817\/h:611\/q:mauto\/f:best\/dpr:2\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 2x\" \/><noscript><img data-opt-id=292974506  decoding=\"async\" width=\"817\" height=\"611\" src=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png\" alt=\"windows defender full scan\" class=\"wp-image-53126\" srcset=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:817\/h:611\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 817w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:300\/h:224\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 300w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:768\/h:574\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 768w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:50\/h:37\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 50w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:321\/h:240\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 321w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:531\/h:397\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 531w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:802\/h:600\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 802w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:198\/h:148\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 198w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:261\/h:195\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 261w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:181\/h:135\/q:mauto\/f:best\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 181w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:817\/h:611\/q:mauto\/f:best\/dpr:2\/https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2022\/06\/windows-defender-full-scan.png 2x\" sizes=\"(max-width: 700px) 100vw, 700px\" \/></noscript><figcaption class=\"wp-element-caption\">Select &#8220;Full scan&#8221; to scan your computer for viruses<\/figcaption><\/figure><\/div>\n\n<div class=\"su-divider su-divider-style-default\" style=\"margin:40px 0;border-width:15px;border-color:#4267cf\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"reach-out\">7. Reach out to your host<\/h3>\n\n\n\n<p>If you tried all the above solutions and nothing worked, then it proves that the real cause behind the 501 error is your web server. <\/p>\n\n\n\n<p>So you need to contact your hosting provider immediately and tell them all the steps you have taken to remove the error from your site. The hosting support team will help you get your website up and running in no time. <\/p>\n\n\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:40px 0;border-width:1px;border-color:#999999\"><a href=\"#\" style=\"color:#999999\">Go to top<\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Fix the 501 Not Implemented error for good<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>The <strong>501 not implemented error<\/strong> appears on a WordPress website due to some issue in the server. That said, non-server related issues like DDoS attacks or computers infected with viruses can also cause the 501 error to show up on your website. <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n\t\t<div class='ti-tweet-clear'><\/div>\n\t\t\t<div class='ti-tweet_wrapper'>\n\t\t    \t<div class='ti-tweet_text'>\n\t\t    \t\t<a href='https:\/\/twitter.com\/share?text=7+easy+solutions+to+fix+the+%27501+not+implemented%27+%23error+on+%23WordPress&via=themeisle&related=themeisle&url=https:\/\/themeisle.com\/blog\/501-not-implemented-error-wordpress\/' target='_blank' rel='nofollow'>7 easy solutions to fix the '501 not implemented' #error on #WordPress<\/a>\n\t\t    \t<\/div>\n\t\t    \t<div class='ti-tweet_sharebtn'>\n\t\t    \t<a href='https:\/\/twitter.com\/share?text=7+easy+solutions+to+fix+the+%27501+not+implemented%27+%23error+on+%23WordPress&via=themeisle&related=themeisle&url=https:\/\/themeisle.com\/blog\/501-not-implemented-error-wordpress\/' target='_blank' rel='nofollow'>Click To Tweet \n\t\t    \t\t<span><\/span>\n\t\t    \t<\/a>\n\t\t    <\/div>\n\t\t<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>\ud83d\udc49 To remove the error from your site, try clearing your browser cache, disabling the proxy server, installing a firewall, and performing a virus scan. <\/p>\n\n\n\n<p>If all the solutions fail, then it\u2019s safe to assume that the error stems from your server. In that case, you reach out to your hosting server and see guidance on how to remove the 501 error from your site. <\/p>\n\n\n<div class=\"su-note\"  style=\"border-color:#e5e1b2;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#FFFBCC;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n\n\n\n<p>\ud83c\udfaf For some other tips on fixing WordPress issues, you can read <a href=\"https:\/\/themeisle.com\/blog\/wordpress-troubleshooting-beginners-guide\/\">our general guide to WordPress troubleshooting<\/a> and <a href=\"https:\/\/themeisle.com\/blog\/wordpress-errors\/\">common WordPress errors<\/a>.<\/p>\n\n\n<\/div><\/div>\n\n\n\n<p><strong><em>If you have any questions about the 501 not implemented error, tell us in the comment section below. <\/em><\/strong><\/p>\n\n\n<style>.ticss-d144f107 strong{font-weight: 700;\n    letter-spacing: -0.2px;\n    line-height: 1.2;\n    display: inline-block;}<\/style>\n\n\n<div class=\"wp-block-columns speed-guide has-white-color has-text-color has-background has-link-color wp-elements-2f81f6c5526477b5b4d52d1ca4513949 is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\" style=\"background-color:#4267cf\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:40%\">\n<figure class=\"wp-block-image size-medium\"><img data-opt-id=30701221  data-opt-src=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:300\/h:300\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png\"  decoding=\"async\" width=\"300\" height=\"300\" 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https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:148\/h:148\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 148w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:195\/h:195\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 195w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:135\/h:135\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 135w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:1080\/h:1080\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 1200w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:1080\/h:1080\/q:mauto\/f:best\/dpr:2\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 2x\" \/><noscript><img data-opt-id=30701221  decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:300\/h:300\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png\" alt=\"speed guide\" class=\"wp-image-113040\" srcset=\"https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:300\/h:300\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 300w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:1024\/h:1024\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 1024w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:150\/h:150\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 150w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:768\/h:768\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 768w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:50\/h:50\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 50w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:240\/h:240\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 240w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:397\/h:397\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 397w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:600\/h:600\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 600w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:148\/h:148\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 148w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:195\/h:195\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 195w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:135\/h:135\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 135w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:1080\/h:1080\/q:mauto\/f:best\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 1200w, https:\/\/mllj2j8xvfl0.i.optimole.com\/cb:c5QE.37290\/w:1080\/h:1080\/q:mauto\/f:best\/dpr:2\/https:\/\/themeisle.com\/blog\/wp-content\/uploads\/2025\/09\/e2ce20299a807336c68c2e029640adaa1.png 2x\" sizes=\"(max-width: 300px) 100vw, 300px\" \/></noscript><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center ticss-58e79f2f\" style=\"font-size:14px\"><strong>FREE GUIDE<\/strong><\/p>\n\n\n\n<p class=\"ticss-d144f107\" style=\"font-size:25px\"><strong>4 Essential Steps to Speed Up Your&nbsp;WordPress Website<\/strong><\/p>\n\n\n\n<p class=\"ticss-3b627beb\">Follow the simple steps in our 4-part mini series and reduce your loading times by 50-80%.&nbsp;\ud83d\ude80<\/p>\n\n\n<p><div class=\"frm_forms  with_frm_style frm_style_themeisle\" id=\"frm_form_4_container\" data-token=\"1e74efb521908603f2c2f54d27b3121e\">\n<form enctype=\"multipart\/form-data\" method=\"post\" class=\"frm-show-form  frm_pro_form \" id=\"form_site-speed-guide-below-post\" data-token=\"1e74efb521908603f2c2f54d27b3121e\">\n<div class=\"frm_form_fields \">\n<fieldset>\n<legend class=\"frm_screen_reader\">Site Speed Guide - Below Post<\/legend>\r\n\r\n<div class=\"frm_fields_container\">\n<input type=\"hidden\" name=\"frm_action\" value=\"create\" \/>\n<input type=\"hidden\" name=\"form_id\" value=\"4\" \/>\n<input type=\"hidden\" name=\"frm_hide_fields_4\" id=\"frm_hide_fields_4\" value=\"\" \/>\n<input type=\"hidden\" name=\"form_key\" value=\"site-speed-guide-below-post\" \/>\n<input type=\"hidden\" name=\"item_meta[0]\" value=\"\" \/>\n<input type=\"hidden\" id=\"frm_submit_entry_4\" name=\"frm_submit_entry_4\" value=\"425935a91c\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/blog\/wp-json\/wp\/v2\/posts\/53124\" \/><input type=\"hidden\" name=\"item_meta[18]\" id=\"field_6px6q2\" value=\"\/blog\/wp-json\/wp\/v2\/posts\/53124\"  data-frmval=\"\/blog\/wp-json\/wp\/v2\/posts\/53124\"   \/>\n<div id=\"frm_field_15_container\" class=\"frm_form_field form-field  frm_required_field frm_none_container\">\r\n\t<label for=\"field_6px6q\" id=\"field_6px6q_label\" class=\"frm_primary_label\">Your Email\r\n\t\t<span class=\"frm_required\" aria-hidden=\"true\">*<\/span>\r\n\t<\/label>\r\n\t<input type=\"email\" id=\"field_6px6q\" name=\"item_meta[15]\" value=\"\"  autocomplete=\"email\"  placeholder=\"your@email.com\" data-reqmsg=\"Your Email cannot be blank.\" aria-required=\"true\" data-invmsg=\"Your Email is invalid\" aria-invalid=\"false\"  \/>\r\n\t\r\n\t\r\n<\/div>\n<div id=\"frm_field_17_container\" class=\"frm_form_field form-field  frm_none_container vertical_radio\">\r\n\t<div  id=\"field_6px6q3_label\" class=\"frm_primary_label\">Subscribe to our newsletter\r\n\t\t<span class=\"frm_required\" aria-hidden=\"true\"><\/span>\r\n\t<\/div>\r\n\t<div class=\"frm_opt_container\" aria-labelledby=\"field_6px6q3_label\" role=\"group\">\t\t<div class=\"frm_checkbox\" id=\"frm_checkbox_17-0\">\t\t\t<label  for=\"field_6px6q3-0\">\n\t\t\t<input type=\"checkbox\" name=\"item_meta[17][]\" id=\"field_6px6q3-0\" value=\"true\"  data-invmsg=\"Subscribe to our newsletter is invalid\" aria-invalid=\"false\"   \/> Subscribe to our newsletter<\/label><\/div>\n<\/div>\r\n\t\r\n\t\r\n<\/div>\n<div id=\"frm_field_14_container\" class=\"frm_form_field form-field \">\r\n\t<div class=\"frm_submit frm_flex\">\r\n<button class=\"frm_button_submit frm_final_submit\" type=\"submit\"   formnovalidate=\"formnovalidate\">FREE ACCESS<\/button>\r\n\r\n\r\n\r\n<\/div>\r\n<\/div>\n\t<input type=\"hidden\" name=\"item_key\" value=\"\" \/>\n\t\t\t<div id=\"frm_field_24_container\">\n\t\t\t<label for=\"field_gh4xq\" >\n\t\t\t\tIf you are human, leave this field blank.\t\t\t<\/label>\n\t\t\t<input  id=\"field_gh4xq\" type=\"text\" class=\"frm_form_field form-field frm_verify\" name=\"item_meta[24]\" value=\"\"  \/>\n\t\t<\/div>\n\t\t<input name=\"frm_state\" type=\"hidden\" value=\"tGKtIG19U6wyYcew8uBttYSh28X0RER1gqVoX4BngoAwF9M0QAXa6pd1+Qu8+H8p\" \/><\/div>\n<\/fieldset>\n<\/div>\n\n<p style=\"display: none !important;\" class=\"akismet-fields-container\" data-prefix=\"ak_\"><label>&#916;<textarea name=\"ak_hp_textarea\" cols=\"45\" rows=\"8\" maxlength=\"100\"><\/textarea><\/label><input type=\"hidden\" id=\"ak_js_1\" name=\"ak_js\" value=\"89\"\/><script>document.getElementById( \"ak_js_1\" ).setAttribute( \"value\", ( new Date() ).getTime() );<\/script><\/p><\/form>\n<\/div>\n<\/p>\n<\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"Encountering a \u201c501 not implemented\u201d error on your WordPress site? Any HTTP error that begins with \u201c5\u201d indicates a server issue. This means that the 501 error appears due to an issue on your web server. To remove the error, you will typically need to contact your hosting provider and alert them about the error on your site.","protected":false},"author":63,"featured_media":53431,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_stopmodifiedupdate":false,"_modified_date":"","_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[26],"tags":[],"hashtags":[],"class_list":["post-53124","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wordpress"],"wppr_data":{"cwp_meta_box_check":"No"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.8 (Yoast SEO v26.1.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Fix &quot;501 Not Implemented Error&quot; on WordPress (7 Easy Solutions)<\/title>\n<meta name=\"description\" content=\"Facing the &quot;501 not implemented&quot; error on your WordPress site? 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