{"id":719,"date":"2026-10-26T03:50:00","date_gmt":"2026-10-26T03:50:00","guid":{"rendered":"https:\/\/sitefitters.com\/learn\/guides\/speed-up-a-slow-wordpress-site\/"},"modified":"2026-10-26T03:50:00","modified_gmt":"2026-10-26T03:50:00","slug":"speed-up-a-slow-wordpress-site","status":"publish","type":"page","link":"https:\/\/sitefitters.com\/fr\/learn\/guides\/speed-up-a-slow-wordpress-site\/","title":{"rendered":"How to Speed Up a Slow WordPress Website"},"content":{"rendered":"<section class=\"sfl-hero sfl-hero-s\"><div class=\"sfl-w\"><div class=\"sfl-bc\"><a href=\"\/learn\/\">Learn<\/a> \/ <a href=\"\/learn\/guides\/\">How-To Guides<\/a><\/div><h1>How to Speed Up a Slow <em>WordPress Website<\/em><\/h1><div class=\"sfl-lead\"><p>A slow website costs you customers before they read a word. In this guide you will measure your site&#8217;s speed, fix the most common causes of slow WordPress pages and confirm the improvement.<\/p><p>Visitors on phones are impatient, and many leave if a page takes more than a few seconds to appear. Google also measures real-world page experience through Core Web Vitals. Most WordPress sites can get noticeably faster with a few practical changes and no rebuild.<\/p><\/div><div class=\"sfl-meta\"><span>\u23f1 1 to 2 hours<\/span><span>\u25ce Intermediate<\/span><span>\u2630 9 steps<\/span><span>\u21bb Updated Oct 2026<\/span><\/div><\/div><\/section><div class=\"sfl-w sfl-art sfl-art3\"><nav class=\"sfl-toc\" aria-label=\"On this page\"><b>On this page<\/b><a href=\"#need\">What you need<\/a><a href=\"#steps\">Steps<\/a><a href=\"#mistakes\">Common mistakes<\/a><a href=\"#faq\">FAQ<\/a><\/nav><article class=\"sfl-prose\"><div class=\"sfl-box sfl-need\" id=\"need\"><h4>What you need<\/h4><ul><li>WordPress administrator access<\/li><li>cPanel or hosting dashboard login<\/li><li>A recent backup of your site<\/li><\/ul><\/div><h2 id=\"steps\">Steps<\/h2><div class=\"sfl-step\"><b>1<\/b><div><h3>Measure your speed first<\/h3><p>Go to pagespeed.web.dev, enter your homepage address and run the test. Look at the mobile results first. The top section shows field data from real Chrome users over the past 28 days, when your site has enough traffic. The Core Web Vitals targets are Largest Contentful Paint under 2.5 seconds, Interaction to Next Paint under 200 milliseconds and Cumulative Layout Shift under 0.1. Write down your results so you can compare later.<\/p><div class=\"sfl-tip\"><b>Tip:<\/b> Test a few key pages too, such as a service page or product page, since each page loads differently.<\/div><\/div><\/div><div class=\"sfl-step\"><b>2<\/b><div><h3>Shrink and resize your images<\/h3><p>Oversized photos are the most common cause of slow pages. Resize images to the largest size they actually display, often 1,600 to 2,000 pixels wide for a full-width banner, and compress them before uploading. WordPress supports WebP images, and AVIF on servers that allow it. Check Tools, then Site Health, then Info, then Media Handling. WordPress also lazy-loads images further down the page automatically.<\/p><\/div><\/div><div class=\"sfl-step\"><b>3<\/b><div><h3>Turn on page caching<\/h3><p>Without caching, WordPress builds every page from scratch for every visitor. A page cache saves a ready-made copy and serves it instantly. Many hosts include server caching, so check your hosting dashboard first. Otherwise, install one caching plugin, such as WP Super Cache, W3 Total Cache or LiteSpeed Cache on LiteSpeed servers. Use the default settings, then test your site carefully.<\/p><div class=\"sfl-tip\"><b>Tip:<\/b> Run only one caching plugin, because two can conflict and break your pages.<\/div><\/div><\/div><div class=\"sfl-step\"><b>4<\/b><div><h3>Update your PHP version<\/h3><p>PHP is the language WordPress runs on, and newer versions are noticeably faster. WordPress recommends PHP 8.3 or newer. In cPanel, open Software, then MultiPHP Manager, check the box next to your domain, choose a newer version and click Apply. Back up first, then check your site right away. If something breaks, switch back and ask your developer to update the incompatible plugin.<\/p><\/div><\/div><div class=\"sfl-step\"><b>5<\/b><div><h3>Trim plugins and extra scripts<\/h3><p>Every plugin, tracking code, chat widget, slider and web font adds weight. Go to Plugins and deactivate anything you no longer use, then delete it. Look for overlap, such as two plugins that both add social buttons or forms. Remove old tracking codes for services you stopped using. Retest after removing a big item so you can see what made a difference.<\/p><\/div><\/div><div class=\"sfl-step\"><b>6<\/b><div><h3>Turn on compression<\/h3><p>Compression shrinks text files like HTML, CSS and JavaScript before they travel to the visitor&#8217;s browser. Many hosts enable it by default. In cPanel, open Software, then Optimize Website, choose Compress All Content and click Update Settings. PageSpeed Insights will flag it if compression is missing. If you do not see this tool, your host may handle compression another way.<\/p><\/div><\/div><div class=\"sfl-step\"><b>7<\/b><div><h3>Use a content delivery network<\/h3><p>A content delivery network, or CDN, stores copies of your images, styles and scripts on servers around the world, so visitors download them from a location near them. This helps most when customers are spread across regions. Many hosts include a CDN, and several providers offer free starter plans. Most CDNs also add protection against traffic floods and attacks.<\/p><\/div><\/div><div class=\"sfl-step\"><b>8<\/b><div><h3>Clean up your database<\/h3><p>Over time, the database collects old post revisions, spam comments and leftover data from deleted plugins. Empty the spam and trash folders under Comments, Posts and Pages. A database cleanup plugin can remove old revisions safely. To limit future revisions, a developer can add a WP_POST_REVISIONS setting to wp-config.php. Always back up before cleaning a database.<\/p><\/div><\/div><div class=\"sfl-step\"><b>9<\/b><div><h3>Retest and review your hosting<\/h3><p>Run PageSpeed Insights again and compare with your first results. Lab scores update immediately, while real-user field data takes up to 28 days to catch up. If pages still take a long time to start loading even after these fixes, your hosting plan may be the bottleneck. A plan with more resources or server-level caching can make a large difference for busy sites.<\/p><\/div><\/div><h2 id=\"mistakes\">Common Mistakes<\/h2><ul class=\"sfl-mk\"><li>Uploading photos straight from a phone or camera, often several megabytes each, without resizing them.<\/li><li>Installing several speed or caching plugins at once, which can conflict and break your layout.<\/li><li>Chasing a perfect 100 score on a lab test instead of improving how fast pages feel for real visitors.<\/li><\/ul><h2 id=\"faq\">FAQ<\/h2><details class=\"sfl-faq\" open><summary>What is a good PageSpeed Insights score?<\/summary><p>In the lab test, a score of 90 to 100 is rated good, 50 to 89 needs improvement and below 50 is poor. The score can vary from run to run. Pay more attention to the Core Web Vitals field data from real visitors, because that reflects what customers actually experience and is what Google uses.<\/p><\/details><details class=\"sfl-faq\"><summary>Does website speed affect my Google rankings?<\/summary><p>It can, but it is one factor among many. Google says good Core Web Vitals align with what its core ranking systems seek to reward, while helpful, relevant content matters more. A faster site still pays off directly, because visitors are more likely to stay, read and contact you. Think of speed as good customer service that also supports your search visibility.<\/p><\/details><details class=\"sfl-faq\"><summary>Why is my mobile score so much lower than desktop?<\/summary><p>PageSpeed Insights tests mobile by simulating a mid-range phone on a slower mobile connection, while the desktop test uses a fast wired connection. Large images, heavy scripts and big fonts hurt far more on that phone. Since most local searches happen on phones, focus on improving the mobile results first.<\/p><\/details><\/article><aside class=\"sfl-aside\"><div class=\"sfl-box sfl-box-o\"><h4>Want hosting handled?<\/h4><p>Fast, secure WordPress hosting with updates, backups and monitoring taken care of.<\/p><a class=\"sfl-btn sfl-btn-w\" href=\"\/wordpress-hosting\/\">See WordPress hosting<\/a><\/div><div class=\"sfl-box\"><h4>Terms in this guide<\/h4><div class=\"sfl-rel\"><a href=\"\/learn\/glossary\/page-speed\/\">Page speed<\/a><a href=\"\/learn\/glossary\/load-time\/\">Load time<\/a><a href=\"\/learn\/glossary\/core-web-vitals\/\">Core Web Vitals<\/a><a href=\"\/learn\/glossary\/server-cache\/\">Server cache<\/a><a href=\"\/learn\/glossary\/cdn\/\">CDN<\/a><a href=\"\/learn\/glossary\/cache\/\">Cache<\/a><a href=\"\/learn\/glossary\/php\/\">PHP<\/a><a href=\"\/learn\/glossary\/plugin\/\">Plugin<\/a><\/div><\/div><div class=\"sfl-box\"><h4>More guides<\/h4><div class=\"sfl-rel sfl-col\"><a href=\"\/learn\/guides\/choose-and-register-a-domain-name\/\">How to Choose and Register a Domain Name for Your Business<\/a><a href=\"\/learn\/guides\/point-your-domain-to-your-website\/\">How to Point Your Domain to Your Website (DNS Records Explained)<\/a><a href=\"\/learn\/guides\/set-up-business-email-on-your-domain\/\">How to Set Up Business Email on Your Own Domain<\/a><a href=\"\/learn\/guides\/set-up-spf-dkim-dmarc\/\">How to Set Up SPF, DKIM and DMARC So Your Emails Don&#8217;t Land in Spam<\/a><\/div><\/div><\/aside><\/div><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is a good PageSpeed Insights score?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"In the lab test, a score of 90 to 100 is rated good, 50 to 89 needs improvement and below 50 is poor. 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Visitors on phones are impatient, and many leave if a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":533,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"sitefitters-canvas.php","meta":{"_acf_changed":false,"_yoast_wpseo_title":"How to Speed Up a Slow WordPress Website: 9 Proven Steps","_yoast_wpseo_metadesc":"Find out why your WordPress site is slow and fix it: test with PageSpeed Insights, optimize images, add caching, update PHP, trim plugins and use a CDN.","sfb_learn":"1","footnotes":""},"class_list":["post-719","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Speed Up a Slow WordPress Website: 9 Proven Steps<\/title>\n<meta name=\"description\" content=\"Find out why your WordPress site is slow and fix it: test with PageSpeed Insights, optimize images, add caching, update PHP, trim plugins and use a CDN.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sitefitters.com\/fr\/learn\/guides\/speed-up-a-slow-wordpress-site\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Speed Up a Slow WordPress Website\" \/>\n<meta property=\"og:description\" content=\"Find out why your WordPress site is slow and fix it: test with PageSpeed Insights, optimize images, add caching, update PHP, trim plugins and use a CDN.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sitefitters.com\/fr\/learn\/guides\/speed-up-a-slow-wordpress-site\/\" \/>\n<meta property=\"og:site_name\" content=\"Sitefitters\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/sitefitters.com\\\/learn\\\/guides\\\/speed-up-a-slow-wordpress-site\\\/\",\"url\":\"https:\\\/\\\/sitefitters.com\\\/learn\\\/guides\\\/speed-up-a-slow-wordpress-site\\\/\",\"name\":\"How to Speed Up a Slow WordPress Website: 9 Proven Steps\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sitefitters.com\\\/#website\"},\"datePublished\":\"2026-10-26T03:50:00+00:00\",\"description\":\"Find out why your WordPress site is slow and fix it: test with PageSpeed Insights, optimize images, add caching, update PHP, trim plugins and use a CDN.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/sitefitters.com\\\/learn\\\/guides\\\/speed-up-a-slow-wordpress-site\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/sitefitters.com\\\/learn\\\/guides\\\/speed-up-a-slow-wordpress-site\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/sitefitters.com\\\/learn\\\/guides\\\/speed-up-a-slow-wordpress-site\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/sitefitters.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Business Website 101\",\"item\":\"https:\\\/\\\/sitefitters.com\\\/learn\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"How-To Guides\",\"item\":\"https:\\\/\\\/sitefitters.com\\\/learn\\\/guides\\\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"How to Speed Up a Slow WordPress Website\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/sitefitters.com\\\/#website\",\"url\":\"https:\\\/\\\/sitefitters.com\\\/\",\"name\":\"Sitefitters\",\"description\":\"Custom Websites, Apps &amp; 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