This video is a quick introduction to using the browser developer tools to test the performance of your website.
Browser developer tools
Learn about some online tools for testing website performance.
Look at the settings inside CloudFlare to help you pass performance tests.
Learn how reduce the download size of the fonts on your website by removing all the extra characters that you don’t actually use on your website.
This is only necessary when using Google Fonts in combination with the “Delaying font rendering” technique described below.