PageSpeed
- Google PageSpeed Grade does not Improve
- Largest Contentful Paint
- Total Blocking Time and First Input Delay
- Cumulative Layout Shift
- How to Improve Your Mobile PageSpeed Score
- Ensure text remains visible during webfont load
- Defer Offscreen Images
- Serve images in next-gen formats
- Efficiently encode images
- Properly size images
- Avoid an excessive DOM size
- Reduce Unused CSS (PageSpeed)
- Avoid enormous network payloads
- Eliminate Render Blocking Resources
- Reduce JavaScript execution time
- Minimize main thread work
- Reduce Unused JavaScript
- Serve static assets with an efficient cache policy
- Reduce the impact of third party code
- Preload Key Requests