{"id":2403,"date":"2022-06-25T20:18:57","date_gmt":"2022-06-26T00:18:57","guid":{"rendered":"https:\/\/basicwebguide.com\/?p=2403"},"modified":"2022-06-25T20:18:57","modified_gmt":"2022-06-26T00:18:57","slug":"how-to-remove-unused-javascript-in-wordpress","status":"publish","type":"post","link":"https:\/\/basicwebguide.com\/how-to-remove-unused-javascript-in-wordpress\/","title":{"rendered":"How To Remove Unused JavaScript In WordPress?"},"content":{"rendered":"<p>Are you looking for <strong>how to remove unused JavaScript in WordPress?<\/strong> Then stay connected with this post. When you test your website on Google <a href=\"https:\/\/pagespeed.web.dev\/\" target=\"_blank\" rel=\"noopener\">PageSpeed Insights<\/a>, unused JavaScript is the most common speed factor that every site encounters.<\/p>\n<p>Unused JavaScript files are the pinpoint of the WordPress users which deteriorate website performance and ultimately result in ranking loss. Let&#8217;s understand what are &#8216;unused JavaScript files&#8217; and how to remove unused JavaScript in WordPress.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_61 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/basicwebguide.com\/how-to-remove-unused-javascript-in-wordpress\/#What_Are_Unused_JavaScript_Files_In_WordPress\" title=\"What Are Unused JavaScript Files In WordPress?\">What Are Unused JavaScript Files In WordPress?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/basicwebguide.com\/how-to-remove-unused-javascript-in-wordpress\/#How_To_Remove_Unused_JavaScript_In_WordPress\" title=\"How To Remove Unused JavaScript In WordPress?\">How To Remove Unused JavaScript In WordPress?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/basicwebguide.com\/how-to-remove-unused-javascript-in-wordpress\/#Find_unused_JavaScript_files\" title=\"Find unused JavaScript files\">Find unused JavaScript files<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/basicwebguide.com\/how-to-remove-unused-javascript-in-wordpress\/#How_To_Remove_Unused_JavaScript_In_WordPress_With_Asset_Cleanup_Plugin\" title=\"How To Remove Unused JavaScript In WordPress With Asset Cleanup Plugin?\">How To Remove Unused JavaScript In WordPress With Asset Cleanup Plugin?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/basicwebguide.com\/how-to-remove-unused-javascript-in-wordpress\/#1_Install_the_plugin\" title=\"1. Install the plugin\">1. Install the plugin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/basicwebguide.com\/how-to-remove-unused-javascript-in-wordpress\/#2_Enable_%E2%80%9CTest_Mode%E2%80%9D\" title=\"2. Enable &#8220;Test Mode&#8221;\">2. Enable &#8220;Test Mode&#8221;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/basicwebguide.com\/how-to-remove-unused-javascript-in-wordpress\/#3_Unload_JavaScript_files\" title=\"3. Unload JavaScript files\">3. Unload JavaScript files<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/basicwebguide.com\/how-to-remove-unused-javascript-in-wordpress\/#4_Disable_test_mode\" title=\"4. Disable test mode\">4. Disable test mode<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/basicwebguide.com\/how-to-remove-unused-javascript-in-wordpress\/#Other_Plugins_to_remove_JavaScript_in_WordPress\" title=\"Other Plugins to remove JavaScript in WordPress\">Other Plugins to remove JavaScript in WordPress<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/basicwebguide.com\/how-to-remove-unused-javascript-in-wordpress\/#How_to_remove_unused_JavaScript_in_WordPress_manually_without_plugin\" title=\"How to remove unused JavaScript in WordPress manually (without plugin)\">How to remove unused JavaScript in WordPress manually (without plugin)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/basicwebguide.com\/how-to-remove-unused-javascript-in-wordpress\/#Final_Thoughts\" title=\"Final Thoughts\">Final Thoughts<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Are_Unused_JavaScript_Files_In_WordPress\"><\/span><strong>What Are Unused JavaScript Files In WordPress?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Unused JavaScript files are resources that are <strong>not needed for rendering<\/strong> the page. These could be third-party codes like ad codes, FB codes, plugins, unnecessary pop-ups, etc. They do not add much value to the website but take up significant space.<\/p>\n<p>Although JavaScript enables you <strong>to add dynamic elements<\/strong> to your website pages that couldn&#8217;t be achieved with just HTML and CSS. On the other side, these essential codes overburden the server and slow down your website.<\/p>\n<p>To load any website or webpage, the browser first downloads JavaScript files and saved them in the browser cache. JavaScript files are then unpacked, compiled, and finally, the files are executed on a page (that visitor trying to load).<\/p>\n<p>So, you can understand how long a website takes to load a page is significantly affected by the<strong> unused size of JavaScript files<\/strong>. However, web page speed is not solely dependent on JavaScript, <a href=\"https:\/\/basicwebguide.com\/how-to-make-images-load-faster-on-website\/\">images also slow<\/a> the website speed.<\/p>\n<p style=\"text-align: center;\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-2406\" src=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/javascript-files.jpg\" alt=\"how to remove unused javascript in WordPress\" width=\"900\" height=\"416\" srcset=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/javascript-files.jpg 900w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/javascript-files-300x139.jpg 300w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/javascript-files-768x355.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<p>According to the <a href=\"https:\/\/httparchive.org\/reports\/page-weight\" target=\"_blank\" rel=\"noopener\">HTTP Archive<\/a>, JavaScript accounts for 517.7 KB of that weight on desktop, and 469.2 KB on mobile. These figures are up <strong>30.0% for desktop and 30.5% on mobile<\/strong> since December 2021.<\/p>\n<p>While the total average size of a page is 2301.6 KB and 2003.2 KB for desktop and mobile respectively. You can see that JavaScript files take significant space on your website.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_To_Remove_Unused_JavaScript_In_WordPress\"><\/span><strong>How To Remove Unused JavaScript In WordPress?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A website has some essential JavaScript files that are useful when visitors visit and scroll your web pages. But there are also <strong>unnecessary JS files<\/strong> (known as unused Js files) that add no value to pages like tracking codes.<\/p>\n<p>Before removing unused JavaScript files, we have to find those js files and the best way to do this is using Google&#8217;s Page Speedtester. So, let&#8217;s learn how to remove unused JavaScript in WordPress in step by step process.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Find_unused_JavaScript_files\"><\/span><strong>Find unused JavaScript files<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The best and easiest way to find unused js is using Google&#8217;s Page Speed Insights. It displays all the <strong>factors that affect your website<\/strong> or individual page speed and the opportunities to improve the speed.<\/p>\n<ul>\n<li>Go to the <a href=\"https:\/\/pagespeed.web.dev\/\" target=\"_blank\" rel=\"noopener\">PageSpeed Insight<\/a> using the browser<\/li>\n<li>Type your website URL or web page URL in the blank space<\/li>\n<li>Hit <strong>Analyze<\/strong> button<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-2413\" src=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/pagespeed-insights.jpg\" alt=\"How To Remove Unused Javascript In WordPress\" width=\"1600\" height=\"178\" srcset=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/pagespeed-insights.jpg 1600w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/pagespeed-insights-300x33.jpg 300w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/pagespeed-insights-1024x114.jpg 1024w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/pagespeed-insights-768x85.jpg 768w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/pagespeed-insights-1536x171.jpg 1536w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<ul>\n<li>Once the page loads, select the mobile or desktop version<\/li>\n<li>Scroll down the page and look for <strong>Diagnose performance issues<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-2410\" src=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/reduce-page.jpg\" alt=\"reduce unused javascript files\" width=\"1010\" height=\"517\" srcset=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/reduce-page.jpg 1010w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/reduce-page-300x154.jpg 300w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/reduce-page-768x393.jpg 768w\" sizes=\"(max-width: 1010px) 100vw, 1010px\" \/><\/p>\n<ul>\n<li>Under the <strong>opportunity<\/strong> section, you can see the <strong>Reduce unused JavaScript<\/strong> option, click on this<\/li>\n<li>Now, you can see the unused file sizes and potential savings. We need to reduce unused JavaScript files as shown above<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"How_To_Remove_Unused_JavaScript_In_WordPress_With_Asset_Cleanup_Plugin\"><\/span><strong>How To Remove Unused JavaScript In WordPress With Asset Cleanup Plugin?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Like CSS, it is not possible to completely remove the JavaScript files. But you can delay all your JavaScript till the user make its first interaction. In other words, you can reduce unused JavaScript sizes.<\/p>\n<p>The asset Cleanup plugin is the <strong>best way to remove unused JavaScript<\/strong> in WordPress or delay JavaScript files that require a few clicks. Now, follow the below steps carefully:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Install_the_plugin\"><\/span><strong>1. Install the plugin<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The first step to reducing unused JavaScript files is to download the <a href=\"https:\/\/wordpress.org\/plugins\/wp-asset-clean-up\/\" target=\"_blank\" rel=\"noopener\">Asset Cleanup<\/a> plugin which can be downloaded from the Plugins section of WordPress. Then, go to<strong> Plugins&gt;&gt; Add new<\/strong>.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2416\" src=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/Asset-cleanup.jpg\" alt=\"how to remove unused javascript in WordPress\" width=\"714\" height=\"379\" srcset=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/Asset-cleanup.jpg 714w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/Asset-cleanup-300x159.jpg 300w\" sizes=\"(max-width: 714px) 100vw, 714px\" \/><\/p>\n<p>Type Asset Cleanup in the search box, install the plugin, and activate the plugin. It will be added to your dashboard.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Enable_%E2%80%9CTest_Mode%E2%80%9D\"><\/span><strong>2. Enable &#8220;Test Mode&#8221;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This step is not mandatory but highly recommended to avoid any unwanted issues on site. You may <strong>see a preview<\/strong> of what happens when JavaScript files are removed by activating test mode before it is really applied to the page.<\/p>\n<p>Open the Asset Cleanup plugin to enable test mode and head to the <strong>settings<\/strong>. Then, click on the test mode on the left sidebar, and activate the toggle &#8216;<em><strong>enable test mode?<\/strong><\/em>&#8216;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2418\" src=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/enable-test-mode-asset-plugin.jpg\" alt=\"reduce javascript files\" width=\"883\" height=\"427\" srcset=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/enable-test-mode-asset-plugin.jpg 883w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/enable-test-mode-asset-plugin-300x145.jpg 300w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/enable-test-mode-asset-plugin-768x371.jpg 768w\" sizes=\"(max-width: 883px) 100vw, 883px\" \/><\/p>\n<p>A green indicator is activated on the test mode button if you have done this step appropriately. Now you can move to the next step.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Unload_JavaScript_files\"><\/span><strong>3. Unload JavaScript files<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This is the most crucial step for how to remove unused JavaScript in WordPress or reduce unused JavaScript files. Click on the second tab named <em><strong>CSS and JS manager<\/strong><\/em>. You will be on the homepage section.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2421 size-full\" src=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/css-and-js-manager-.jpg\" alt=\"how to remove unused javascript in WordPress\" width=\"1026\" height=\"435\" srcset=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/css-and-js-manager-.jpg 1026w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/css-and-js-manager--300x127.jpg 300w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/css-and-js-manager--1024x434.jpg 1024w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/css-and-js-manager--768x326.jpg 768w\" sizes=\"(max-width: 1026px) 100vw, 1026px\" \/><\/p>\n<p>You can see the list of CSS and Js files on your homepage. Although these js files make your site slower, you can <strong>unload the unused js files<\/strong> to improve your site performance.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2423 size-full\" src=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/list-of-js-files.jpg\" alt=\"how to reduce js files\" width=\"1015\" height=\"393\" srcset=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/list-of-js-files.jpg 1015w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/list-of-js-files-300x116.jpg 300w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/list-of-js-files-768x297.jpg 768w\" sizes=\"(max-width: 1015px) 100vw, 1015px\" \/><\/p>\n<p>Click on the particular unused js file which opens various options to remove the file from your homepage. What you have to do is click on <em><strong>unload on this page<\/strong><\/em>. Alternatively, use the checkbox <strong><em>Unload site-wide<\/em><\/strong> to disable JavaScript files from your entire website.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2425 size-full\" src=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/unload-js.jpg\" alt=\"disbale javascript file from website\" width=\"640\" height=\"171\" srcset=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/unload-js.jpg 640w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/unload-js-300x80.jpg 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>Scroll down and click on the <strong>update<\/strong> button to save the settings. You can perform similar actions by selecting posts, pages, custom pages, media, tags, etc., instead of the homepage.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2427 size-full\" src=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/remove-js-from-posts.jpg\" alt=\"how to remove unused javascript\" width=\"706\" height=\"214\" srcset=\"https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/remove-js-from-posts.jpg 706w, https:\/\/basicwebguide.com\/wp-content\/uploads\/2022\/06\/remove-js-from-posts-300x91.jpg 300w\" sizes=\"(max-width: 706px) 100vw, 706px\" \/><\/p>\n<p>To remove unused JavaScript from posts and pages, enter the post id or page id in the blank space. You can check our post on <a href=\"https:\/\/basicwebguide.com\/how-to-find-page-id-in-wordpress-or-post-id-in-wordpress-3-easy-ways\/\">How To Find Page Id In WordPress Or Post Id in WordPress?\u00a0<\/a>to find your posts and page id.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Disable_test_mode\"><\/span><strong>4. Disable test mode<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Once performed all the above steps, <strong>check your website<\/strong> speed and work by running your website from the administration section. As you are still on test mode, so you can&#8217;t check live or be unable to check through Google&#8217;s Page Speed.<\/p>\n<p>If everything is running smoothly and no issues are detected,<strong> disable the test mode<\/strong> from the settings section. Next, click on the enable test mode toggle, turn it off, and finally click on the update from the setting.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Other_Plugins_to_remove_JavaScript_in_WordPress\"><\/span><strong>Other Plugins to remove JavaScript in WordPress<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Though Asset Cleanup is the best and most easy-to-use plugin for how to remove unused JavaScript in WordPress yet, you can give it a try with other plugins too. Some of the <strong>popular plugins<\/strong> for removing unused JavaScript from websites are as follows:<\/p>\n<ul>\n<li><span style=\"text-decoration: underline;\"><strong>WP Rocket-<\/strong><\/span> Best plugin to delay the execution of JavaScript files (till the user interact with the web pages)<\/li>\n<li><span style=\"text-decoration: underline;\"><strong>CSS JS manager-<\/strong><\/span> A bit more complicated to remove CSS and Js than Asset Cleanup, yet very powerful<\/li>\n<li><span style=\"text-decoration: underline;\"><strong>Perfmatters-<\/strong><\/span> Another powerful but paid plugin to reduce js files and improve site speed. It automatically detects which JavaScript file should load and which not.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"How_to_remove_unused_JavaScript_in_WordPress_manually_without_plugin\"><\/span><strong>How to remove unused JavaScript in WordPress manually (without plugin)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>You can also remove unused JavaScript in WordPress without a plugin; however, it could be risky if you <strong>haven&#8217;t coding knowledge.<\/strong> Remove an element from the front of the queue, which is called de-queue.<\/p>\n<p>To remove unused JavaScript from a website, you can <strong>de-queue elements<\/strong> from your functions.php file. Paste the below code on your website&#8217;s functions.php to disable unused JavaScript.<\/p>\n<pre style=\"text-align: center;\">*\/\r\nfunction wp_remove_scripts() {\r\n\/\/ check if user is admin, therefore only logged-out users won't load the script\r\nif (current_user_can( 'update_core' )) {\r\nreturn;\r\n} \r\nelse {\r\n\/\/ Check for the page you want to target\r\nif ( is_page( 'homepage' ) ) {\r\n\/\/ Remove Scripts\r\nwp_dequeue_script( 'jquery-ui-core' );\r\nwp_deregister_script( 'jquery-ui-core' );\r\n}\r\n}\r\n}\r\nadd_action( 'wp_enqueue_scripts', 'wp_remove_scripts', 99 );<\/pre>\n<p>The results appear on your website when you update and save the changes. This code <strong>might not work<\/strong> properly on all the WordPress themes. Please put the code very carefully on the theme; otherwise, it could jumble up your site.<\/p>\n<p>However, I recommend using <strong>Asset Cleanup<\/strong> or WP Rocket plugin if you don&#8217;t have coding knowledge. Plugins are safe and easy-to-use tools.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Final_Thoughts\"><\/span><strong>Final Thoughts<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>I hope you love this article on <strong>how to remove unused JavaScript in WordPress websites<\/strong>. In this tutorial, we have learned both plugins as well as a manual method to disable unused JavaScript in WordPress.<\/p>\n<p>The page <strong>speed is a crucial aspect<\/strong> of the growth of a website, and unused JavaScript files severely hit it. So, it is a must to remove them. You can find various methods to remove unused JavaScript from a website but using the Asset plugin is the simplest way to do so.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Are you looking for how to remove unused JavaScript in WordPress? Then stay connected with this post. When you test your website on Google PageSpeed Insights, unused JavaScript is the most common speed factor that every site encounters. Unused JavaScript files are the pinpoint of the WordPress users which deteriorate website performance and ultimately result [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2448,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[362,7],"tags":[2834,2835,2823,2819,2827,2830,2829,2831,2826,2820,2832,2822,2821,2833,2828,2825,2824],"_links":{"self":[{"href":"https:\/\/basicwebguide.com\/wp-json\/wp\/v2\/posts\/2403"}],"collection":[{"href":"https:\/\/basicwebguide.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/basicwebguide.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/basicwebguide.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/basicwebguide.com\/wp-json\/wp\/v2\/comments?post=2403"}],"version-history":[{"count":10,"href":"https:\/\/basicwebguide.com\/wp-json\/wp\/v2\/posts\/2403\/revisions"}],"predecessor-version":[{"id":2450,"href":"https:\/\/basicwebguide.com\/wp-json\/wp\/v2\/posts\/2403\/revisions\/2450"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/basicwebguide.com\/wp-json\/wp\/v2\/media\/2448"}],"wp:attachment":[{"href":"https:\/\/basicwebguide.com\/wp-json\/wp\/v2\/media?parent=2403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/basicwebguide.com\/wp-json\/wp\/v2\/categories?post=2403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/basicwebguide.com\/wp-json\/wp\/v2\/tags?post=2403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}