Epiday09 Client Side Performance
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The document discusses optimizing a website for performance. It notes that 80% of end-user response time is spent on the front-end according to Yahoo. It then recommends various techniques to limit HTTP connections, combine files, use compression, set long-term caching, and place stylesheets and scripts strategically to improve page load speeds. A content delivery network is also recommended to enhance performance.
Epiday09 Client Side Performance
- 1. “ 80% of the end-user response time is spent on the front-end.” – Yahoo!
- 2. Ok, Human Rights are more important than client side performance
- 3. Slow Web sites are expensive and will make you look dorky.
- 5. YSlow is our friend
- 7. Limit the number of Http connections
- 8. Limit the number of Http connections CSS sprites
- 9. Limit the number of Http connections Combine files
- 10. Make sure you benefit from compression
- 11. Set an expiry date somewhere far in the future
- 12. Put style sheets at the top
- 13. Put scripts at the bottom Put style sheets at the top
- 14. Use a Content Delivery Network (CDN)
Editor's Notes
- #2: The 80/20 rule: 80% of the consequences come from 20% of the causes (Vilfredo Pareto) Sofware dev: Too much time is spent on backend Website: 62% - 95% of the time is spent on downloading components in the Html document