Most popular websites today use a technique called “ lazy loading” to delay the downloading of images.

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Instead of loading all images at once, lazy loading downloads only the images that are visible on the user's screen. This not only makes your pages load faster, but it also gives the user a faster feel.

WP Rocket has a built-in lazy loading feature. You can enable lazy loading for images by simply switching to the Media tab on the plugin's settings page. You can also enable lazy loading for embeds like YouTube videos and iframes.

Lazy load images and embeds in WordPress
Note: While slow loading images helps improve perceived site speed, you should always save images and optimize them for the web for maximum results. For more information, see our step-by-step guide on optimizing images for web performance .

Step 5: Fine-tune preloading in WP Rocket
Next, you can check the preload settings in WP Rocket by switching to the Preload tab. By default, the plugin will start scanning your homepage and following the links found there to preload the cache.

Preload cache settings
Alternatively, you can instruct the plugin to use list of uk cell phone number your XML sitemap to build a cache.

You can also disable the preload feature, but we recommend against it.

Disabling preloading tells WordPress to only cache pages when they are requested by a user. This means that the first user to load that page will always see a slow website.

Editor's note: We strongly recommend that you keep preloading enabled to get maximum performance from your WordPress site.

Step 6: Setting up advanced caching rules
WP Rocket gives you full control over caching. For example, you can switch to the “Advanced Rules” tab on the settings page to exclude pages that you don’t want to be cached.