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Yahoo! YSlow

Analyzes web pages and provides performance improvement suggestions based on established rules.

Made by Yahoo!

  • web-optimization

What is Yahoo! YSlow?

YSlow is a tool that analyzes web pages and provides insights into their performance based on a set of rules developed by Yahoo! for high-performing websites. The tool is a Firefox add-on that integrates with the Firebug web development tool, enabling users to assess and optimize their web pages. YSlow grades web pages based on either predefined or user-defined rulesets, offering specific recommendations to improve the page's performance. It provides a comprehensive analysis, including a summary of the page's components, relevant statistics, and access to tools like Smush.it and JSLint for further performance analysis and optimization

Highlights

  • Analyzes web pages based on Yahoo!'s established rules for high-performance websites
  • Integrated with the Firebug web development tool for seamless analysis
  • Supports predefined and user-defined rulesets for page grading and optimization
  • Offers specific recommendations to improve page performance
  • Provides a summary of the page's components and relevant statistics
  • Includes access to tools like Smush.it and JSLint for further analysis and optimization

Platforms

  • Online
  • Firebug
  • Firefox
  • Safari
  • Google Chrome
  • Opera

Languages

  • English

Features

    • Browser extension

    • Optimization