How develop web page with best performance?

• Web Performance Best Practices.
• Best Practices for Speeding Up Your Web Site.
• Page Speed is an open-source Firefox/Firebug Add-on.

For web sites, speed may be feature #1. Users hate waiting, we get frustrated by buffering videos and pages that pop together as images slowly load. It’s a jarring (aka bad) user experience.

Time invested in site optimization is well worth it, so let’s dive in:

• High Performance Web Pages - 20 new best practices (slideshare)
• Speed Up Your Javascript Load Time.
• How To Optimize Your Site With GZIP Compression.
• How To Optimize Your Site With HTTP Caching.