Measuring and improving WordPress speed: caching, images, the database, and Core Web Vitals.
3 Article
Over time a WordPress database fills up with revisions, auto-drafts, expired transients and heavy autoload options. This guide uses safe commands and a backup first to show what to clean up and what to leave alone.
Heavy images are the most common reason WordPress sites are slow. This guide covers what to do before uploading, how to use WebP and WordPress's registered sizes, where to keep lazy loading, and how to slim down old images.
WordPress is slow for one of two reasons: the server responds late or the page is heavy. Here is how to tell which, plus page caching on LiteSpeed and Apache, lighter images and files, and cleaning heavy database settings, in the order with the most impact.
