Analyzed
1 day
ago.
based on code collected
1 day
ago.
Project Summary
YSlow for Firebug analyzes web pages and tells you why they're slow based on Yahoo's rules for high performance web sites.
In a Nutshell, YSlow...
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took an estimated 15 years of effort (COCOMO model)
starting with its first commit in January, 2012
ending with its most recent commit about 13 years ago
Quick Reference
Organization:
https://github.com/yahoo/yslow
Mozilla Public License 1.0
Permitted
Commercial Use
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Distribute
Place Warranty
Sub-License
Forbidden
Hold Liable
Required
Disclose Source
Include Copyright
State Changes
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
This Project has No vulnerabilities Reported Against it
Did You Know...
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55% of companies leverage OSS for production infrastructure
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learn about Open Hub updates and features on the Open Hub blog
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use of OSS increased in 65% of companies in 2016
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data presented on the Open Hub is available through our API
30 Day SummaryJan 30 2026 — Mar 1 2026
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12 Month SummaryMar 1 2025 — Mar 1 2026
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