Links you should know:
Webap Analysis
- Yahoo’s YSlow (FF-Plugin) checks with helpful rules to speed up client side performance
- Google’s PageSpeed (FF-Plugin) checks with helpful rules to speed up client side performance
- Ex-AOL’s Pagetest (IE-Plugin) measures and analyzes web page performance. An online version is available, too.
- webpagetest web based analysis, also calculating Speed Index.
Java Analysis
- http://gceasy.io/ online garbage collection log analysis
- http://fastthread.io/ online thread dump analysis
Improvement
- Yahoo’s YUICompressor can shrink JS and CSS files
- Google ClosureCompiler tries a different approach on shrinking JS code
- smushit.com is an online service that optimises the filesize of your images
Theoretical background information
- Yahoo’s information on parameters influencing client side performance
- Google’s information on parameters influencing client side performance
- iostat gives information about storage usage on *nix machines
Test tools
- Apache JMeter is a free and very flexible load generator tool
- Gatling load generator close to the source code