How to speed up WordPress: the basics
WordPress quickly piles up plugins, heavy themes, and unoptimized images, and pages start to crawl. These basic steps remove the main brakes without a developer, so start here if your site takes more than 2-3 seconds to open.
Check your site
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Install a cache plugin
Install a cache plugin (LiteSpeed Cache for LiteSpeed hosting, or WP Super Cache) via Plugins, Add New. Caching serves ready-made HTML pages instead of rebuilding them on every request.
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Turn on compression and minification
In the cache plugin settings enable gzip/brotli and CSS/JS minification. This cuts the amount of code the browser has to download.
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Compress your images
Add an image optimization plugin (such as ShortPixel or Imagify) and enable WebP. Large unoptimized photos are the most common reason WordPress feels slow.
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Remove unused plugins
Under Plugins, deactivate and delete anything you do not use. Every active plugin adds requests and code, and some load their own styles on every page.
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Choose a lightweight theme
If your theme is loaded with a page builder and dozens of features, switch to a lighter one (Astra, GeneratePress, or a default theme). A heavy theme slows a site more than any plugin.
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Enable lazy load and deferred scripts
In the cache plugin, turn on lazy loading for images and deferred loading for scripts so the browser does not fetch everything at once. The page shows sooner and the rest loads afterward.
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Update PHP and clean the database
In cPanel, use Select PHP Version to move the site to PHP 8.1 or newer, since modern versions are noticeably faster. Cache plugins usually also clean the database of drafts and revisions.
How to verify the result
Run your home page and a couple of inner pages through the TechGuard speed test before and after: response time and page size should drop noticeably. Compare the numbers to gauge the effect.
Tip: Do not run several cache plugins at once, because they conflict and can serve a broken or stale page.
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