The document discusses how to register custom rules and rulesets for the YSlow performance analysis tool. It provides code examples for registering a single rule using registerRule and registering a group of rules as a ruleset using registerRuleset. The document also lists some related web performance analysis tools and links to resources for learning more.

1. 3-in-1 YSlow Stoyan Stefanov, @stoyanstefanov June 23, 2010 Velocity

3. showslow.com gtmetrix.com

6. 3. Platform YSLOW . registerRule ({…}); YSLOW . registerRuleset ({…});

7. YSLOW . registerRule ({ id: "myrule" , name: "Rule name" , info: "This rule …" , config: {}, lint: function (doc, cset, config) { return { score: 89 , message: ”OMG!" }; } });

8. YSLOW . registerRuleset ({ id: "myruleset" , name: "My ruleset" , rules: { my_rule: {}, my_other_rule: {}, ynumreq: {}, ycompress: {} }, weights: { } });

9. YSpy

10. WTF Web Testing Framework http://phpied.com/wtf /

11. 3-in-1 YSlow Lint, Monitor, Extend

12. Thank you! Stoyan Stefanov @stoyanstefanov http ://www.phpied.com