Yahoo! YSlow
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. YSlow is a Firefox add-on integrated with the Firebug web development tool.
Cost / License
- Free
- Open Source (BSD-3-Clause)
Alerts
- Discontinued
Platforms
- Online
- Firebug
- Google Chrome
- Safari
- Opera
- Firefox
The GitHub repository hasn't been updated since mid-2014.
Features
- Optimization
- Browser extension
Tags
Yahoo! YSlow News & Activities
Recent activities
auituo added Yahoo! YSlow as alternative to Prafero
commondmc added Yahoo! YSlow as alternative to psiLynx
arsalrajput173 added Yahoo! YSlow as alternative to Hostcry Website Speed Test
Yahoo! YSlow information
Developed by
Yahoo Licensing
Open Source (BSD-3-Clause) and Free product.Written in
Alternatives
21 alternatives listedSupported Languages
- English
AlternativeTo Category
Web BrowsersGitHub repository
- 2,204 Stars
- 375 Forks
- 141 Open Issues
- Updated
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What is Yahoo! YSlow?
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. YSlow is a Firefox add-on integrated with the Firebug web development tool. YSlow grades web page based on one of three predefined ruleset or a user-defined ruleset. It offers suggestions for improving the pages performance, summarizes the pages components, displays statistics about the page, and provides tools for performance analysis, including Smush.it™ and JSLint.