2009年2月25日 星期三

Yahoo performance research

Performance Research, Part 1: What the 80/20 Rule Tells Us about Reducing HTTP Requests
The conclusion is the same: Reducing the number of HTTP requests has the biggest impact on reducing response time and is often the easiest performance improvement to make. In the next article we’ll look at the impact of caching, and some surprising real-world findings.


Performance Research, Part 2: Browser Cache Usage - Exposed!

Conclusion: Keep in mind the empty cache user experience. It might be more prevalent than you think!

Performance Research, Part 3: When the Cookie Crumbles
* Eliminate unnecessary cookies.
* Keep cookie sizes as low as possible to minimize the impact on the user response time.
* Be mindful of setting cookies at the appropriate domain level so other sub-domains are not affected.
* Set an Expires date appropriately. An earlier Expires date or none removes the cookie sooner, improving the user response time.

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