# Introduction to Web Performance
Web performance is important subject in modern web. Google study over millions of page impressions found that when a site meets the recommended thresholds for the Core Web Vitals metrics, users are at least 24% less likely to abandon a page before it finishes loading. You can read more on Chromium blog (opens new window).
On the following pages you will find list of good practices that will help you optimize your website performance.
# The indicators
We marked some sections with the indicator below to show how impactful each problem can be:
📙 - Most important. When fixed, the usability of your website should noticeably improve.
📒 - Nice to have. Fixing them could improve the performance.
📘 - Optional fixes, which might help in some cases.
# Additional resources
Other great resources that helped us in writing these suggestions: