Guideļø

This Guide helps you solve common problems with PageSpeed and Lighthouse that can affect your website's SEO and make it harder for people to use. Each article gives easy, step-by-step instructions on how to fix these issues and improve your site.

Avoid an excessive DOM size

"Avoid an excessive DOM size" means that your webpage has a large Document Object Model (DOM) tree, which can slow down your site.

Properly size images

"Properly size images" means that your webpage is serving images that are larger than necessary for their display size, leading to wasted data and slower load times.

Reduce unused CSS

"Reduce unused CSS" means that your webpage is loading CSS rules that aren't being used, which can slow down your site.

Reduce unused JavaScript

"Reduce unused JavaScript" means that your webpage is loading JavaScript code that isn't being used, which can slow down your site.

Defer offscreen images

"Defer offscreen images" means your webpage is loading images that aren't immediately visible to the user. This unnecessary loading can slow down your site.