How to reduce unused JavaScript


If you want to reduce unused JavaScript, or defer loading scripts until they are required, you will have to review a handful of different techniques that may be affecting your site.

“Properly size images” issues and how to fix them


Even if your web server is really fast and you’ve installed a lightweight theme, you can fall into the common issue of not properly sizing the images in your pages. Learn how to detect and fix this problem.

Discover how to get 100% in performance score

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