YSlow

YSlow

YSlow

  • A performance reporting add-on for Firefox, Chrome and Safari browsers
  • Analyzes web pages and offers suggestions for improving performance
    • Summarizes page components
    • Displays statistics about the page
    • Generates a score for each defined rule
  • Uses a set of rules to create high performance web pages
    • Provides three predefined rulesets 
    • Supports user-defined rulesets

Sources