PageSpeed
- Document request latency
- Reduce JavaScript execution time
- Render blocking requests
- Reduce unused JavaScript
- Minimize main thread work
- Layout shift culprits
- Image elements do not have explicit width and height
- Reduce initial server response time
- Use HTTP/2
- Modern HTTP
- Google PageSpeed grade does not improve
- 3rd parties
- Reduce the impact of third party code
- Optimize viewport for mobile
- Avoid an excessive DOM size
- How to improve your mobile PageSpeed score
- Network dependency tree
- Forced reflow
- LCP breakdown
- Font display