{"id":14657,"date":"2026-01-20T07:04:35","date_gmt":"2026-01-20T07:04:35","guid":{"rendered":"https:\/\/www.copebusiness.com\/?p=14657"},"modified":"2026-02-06T14:08:26","modified_gmt":"2026-02-06T14:08:26","slug":"fix-wordpress-memory-exhausted-error","status":"publish","type":"post","link":"https:\/\/www.copebusiness.com\/fr\/wordpress\/correction-motpress-memoire-epuise-erreur\/","title":{"rendered":"How to Fix WordPress Memory Exhausted Error: Increase PHP Memory (Complete Guide)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"14657\" class=\"elementor elementor-14657\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2ec4b0d0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2ec4b0d0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-25c50fef\" data-id=\"25c50fef\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3d99e84 elementor-widget elementor-widget-text-editor\" data-id=\"3d99e84\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\n<p class=\"wp-block-paragraph\">The &#8220;Fatal error: Allowed memory size of X bytes exhausted&#8221; message in WordPress is a common issue that halts your site, often during updates, plugin activations, or high-traffic periods. It occurs when your site exceeds the allocated PHP memory limit, leading to white screens, failed operations, or downtime. In 2026, with more resource-intensive plugins and themes, this error remains frequent but is usually easy to fix. At Cope Business, we resolve memory exhausted errors regularly during our <a href=\"https:\/\/www.copebusiness.com\/technical-seo-services\/technical-seo-audit-service\/\" target=\"_blank\" rel=\"noreferrer noopener\">technical SEO audit services<\/a> and <a href=\"https:\/\/www.copebusiness.com\/technical-seo-services\/wordpress-speed-optimization-services\/\" target=\"_blank\" rel=\"noreferrer noopener\">WordPress speed optimization services<\/a>, helping clients maintain smooth performance and avoid SEO penalties from downtime.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 ez-toc-wrap-left 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\" style=\"cursor:inherit\">On this page<\/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: #0a0a0a;color:#0a0a0a\" 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: #0a0a0a;color:#0a0a0a\" 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:\/\/www.copebusiness.com\/fr\/wordpress\/correction-motpress-memoire-epuise-erreur\/#What_Causes_the_Memory_Exhausted_Error_in_WordPress\" >What Causes the Memory Exhausted Error 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:\/\/www.copebusiness.com\/fr\/wordpress\/correction-motpress-memoire-epuise-erreur\/#Step-by-Step_How_to_Fix_the_Memory_Exhausted_Error\" >Step-by-Step: How to Fix the Memory Exhausted Error<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.copebusiness.com\/fr\/wordpress\/correction-motpress-memoire-epuise-erreur\/#Best_Practices_to_Prevent_Memory_Exhausted_Errors\" >Best Practices to Prevent Memory Exhausted Errors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.copebusiness.com\/fr\/wordpress\/correction-motpress-memoire-epuise-erreur\/#Final_Thoughts\" >Final Thoughts<\/a><\/li><\/ul><\/nav><\/div>\n\n\n<p class=\"wp-block-paragraph\">This guide explains the causes and provides step-by-step fixes to increase your PHP memory limit safely.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Causes_the_Memory_Exhausted_Error_in_WordPress\"><\/span>What Causes the Memory Exhausted Error in WordPress?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">WordPress runs on PHP, which has a memory limit set by your hosting or wp-config.php. Common triggers:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Resource-heavy plugins\/themes (e.g., page builders like Elementor).<\/li>\n\n<li>Large uploads or imports.<\/li>\n\n<li>High traffic spikes.<\/li>\n\n<li>Outdated PHP version.<\/li>\n\n<li>Insufficient hosting resources (shared plans often cap at 128\u2013256MB).<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">The error looks like: &#8220;Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 20480 bytes) in \/path\/to\/file.php on line X&#8221;.<\/p>\n\n<p class=\"wp-block-paragraph\">Increasing the limit resolves it 90% of the time \u2014 but identify the root cause to prevent recurrence.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step-by-Step_How_to_Fix_the_Memory_Exhausted_Error\"><\/span>Step-by-Step: How to Fix the Memory Exhausted Error<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<h3 class=\"wp-block-heading\">Method 1: Increase PHP Memory Limit in wp-config.php (Easiest Fix)<\/h3>\n\n<ul class=\"wp-block-list\">\n<li>Access your site via FTP (FileZilla) or hosting file manager.<\/li>\n\n<li>Locate wp-config.php in the root folder (backup first!).<\/li>\n\n<li>Add this line before &#8220;\/* That&#8217;s all, stop editing! *\/&#8221;:<\/li>\n<\/ul>\n\n<pre class=\"wp-block-code\"><code>text<code>define('WP_MEMORY_LIMIT', '256M'); define('WP_MAX_MEMORY_LIMIT', '512M'); \/\/ For admin area<\/code><\/code><\/pre>\n\n<ul class=\"wp-block-list\">\n<li>Save and upload.<\/li>\n\n<li>Reload your site \u2014 the error should be gone.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\"><strong>Note<\/strong>: 256M is a good starting point; increase to 512M if needed. If it doesn&#8217;t work, your host may override it \u2014 move to Method 2.<\/p>\n\n<h3 class=\"wp-block-heading\">Method 2: Increase Memory Limit via Hosting Panel<\/h3>\n\n<p class=\"wp-block-paragraph\">Many hosts allow direct changes.<\/p>\n\n<ol class=\"wp-block-list\">\n<li>Log into your hosting dashboard (cPanel, SiteGround panel, etc.).<\/li>\n\n<li>Find &#8220;PHP Settings&#8221; or &#8220;MultiPHP Manager&#8221;.<\/li>\n\n<li>Increase &#8220;memory_limit&#8221; to 256M or higher.<\/li>\n\n<li>Save and test your site.<\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">For managed hosts like WP Engine or Kinsta, contact support \u2014 they often handle it for you.<\/p>\n\n<h3 class=\"wp-block-heading\">Method 3: Deactivate Problematic Plugins\/Themes<\/h3>\n\n<p class=\"wp-block-paragraph\">If memory increase doesn&#8217;t help, a faulty plugin\/theme is likely the cause.<\/p>\n\n<ol class=\"wp-block-list\">\n<li>Access via FTP \u2192 Rename \/wp-content\/plugins\/ to plugins_old \u2014 this deactivates all plugins.<\/li>\n\n<li>Reload site \u2014 if it works, rename back and deactivate plugins one by one to find the culprit.<\/li>\n\n<li>For themes: Rename your active theme folder \u2014 WordPress falls back to default.<\/li>\n\n<li>Update or replace the problematic item.<\/li>\n<\/ol>\n\n<h3 class=\"wp-block-heading\">Method 4: Upgrade Your PHP Version<\/h3>\n\n<p class=\"wp-block-paragraph\">Older PHP versions are less efficient.<\/p>\n\n<ol class=\"wp-block-list\">\n<li>In hosting panel, switch to PHP 8.3+ (check compatibility first).<\/li>\n\n<li>Test your site \u2014 newer PHP can reduce memory usage by 20\u201330%.<\/li>\n<\/ol>\n\n<h3 class=\"wp-block-heading\">Method 5: Contact Your Hosting Provider<\/h3>\n\n<p class=\"wp-block-paragraph\">If all else fails, your plan may have hard limits.<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Provide error details from logs (\/wp-content\/debug.log \u2014 enable debugging in wp-config.php).<\/li>\n\n<li>Ask to increase memory or check server errors.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Best_Practices_to_Prevent_Memory_Exhausted_Errors\"><\/span>Best Practices to Prevent Memory Exhausted Errors<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Use lightweight themes\/plugins (e.g., Astra, GeneratePress).<\/li>\n\n<li>Optimize images and enable lazy loading (see our <a href=\"https:\/\/www.copebusiness.com\/technical-seo\/lazy-load-images-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">guide<\/a>).<\/li>\n\n<li>Enable caching (WP Rocket recommended \u2014 see our <a href=\"https:\/\/www.copebusiness.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">caching guide<\/a>).<\/li>\n\n<li>Monitor with tools like Query Monitor to spot memory hogs.<\/li>\n\n<li>Regular backups with UpdraftPlus to quickly revert if errors occur.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Preventing these errors keeps your site stable and SEO-strong.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Final_Thoughts\"><\/span>Final Thoughts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">The WordPress memory exhausted error is frustrating but fixable \u2014 start with increasing limits in wp-config.php, then troubleshoot plugins or contact your host. Proactive optimization prevents it from recurring.<\/p>\n\n<p class=\"wp-block-paragraph\">A well-resourced site performs better for users and search engines.<\/p>\n\n<p class=\"wp-block-paragraph\">Experiencing this error or need a full performance audit? <a href=\"https:\/\/www.copebusiness.com\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">Contact Cope Business<\/a> for a free technical SEO consultation \u2014 we&#8217;ll diagnose the issue, increase your limits, and optimize your site for peak efficiency.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The &ldquo;Fatal error: Allowed memory size of X bytes exhausted&rdquo; message in WordPress is a common issue that halts your 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