Links

Check out the links section for a selection of useful URLs covering vital site performance optimization issues. Read the tips and make your site faster without doing major work.

Do you know a good link not listed here? We'd love to get it from you and add it here: staff@Site-Perf.com.

Useful site performance analyzing and optimizing tools

IT Scales
A pioneering web performance tool.
pingdom.com
A handy web performance measurer. Multithreading is supported, but Keep-Alive and on-the-fly HTML parsing are not.
WEBOptimization
This tool loads a page with all its items and tries to estimate speed gains with this or that compression method. Lots of site optimization articles here too.
WebWait.com
Very simple, but quite useful tool. Frame-based site loading stopwatch.
YSlow
YSlow analyzes web pages and tells you why they're slow based on the rules for high performance web sites. YSlow is a Firefox add-on integrated with the popular Firebug web development tool.
WebLOAD
Open source load testing for web applications. Supports scripting, can act as proxy to analyze live traffic.
Web site test tools and site management tools
More than 390 tools listed in 12 categories.

Web performance tips and tricks

Best Practices for Speeding Up Your Web Site
Great article from Yahoo.com developers. Covers all aspects of site performance, from server to browser. Updated regularly.
Optimizing Page Load Time
This article investigates the role of size of HTTP requests and objects in site performance.
Caching Tutorial
All you wanted to know about HTTP/1.1 caching.

Various helpful webmaster tools and articles

.htaccess tutorial
A lot of various examples of using .htaccess.
Free webmaster tools from iWEBTOOLS
Pack of useful webmaster tools. Deal with search engines, domains, html pages and many other stuff.
CSS Compressor
This tool attempts to compress CSS files combining identical parameters, converting colors to RGB or hex, removing redundant values etc. Not as strong as a human developer, but this tool does help in many cases.
Six Revisions
Very helpful blog for webdevelopers - a lot of articles and links to useful tools.