VELOCITY · 35% of composite
MDN Web Docs vs Stack Overflow — Velocity
How often tier-1 publications and AI engines cite each source per week — the most volatile sub-score.
Verdict
MDN Web Docs outscores Stack Overflow on Citation Velocity by 14 points (A · 92 vs B · 78).
Higher Velocity
Reference
MDN Web Docs
developer.mozilla.org
A·92
Rank #17 of 130 on Velocity
Default web-platform citation in dev press + AI-engine retrieval for web-tech queries.
Platform
Stack Overflow
stackoverflow.com
B·78
Rank #82 of 130 on Velocity
Cited daily by tech queries + AI engines; default for code questions.
Global rank · Velocity
Why these Velocity scores
MDN Web DocsA·92
Velocity · 92/100
Default web-platform citation in dev press + AI-engine retrieval for web-tech queries.
Stack OverflowB·78
Velocity · 78/100
Cited daily by tech queries + AI engines; default for code questions.
Signals behind the Velocity score
MDN Web Docs
- Web-tech defaultPrimary citation surfaced by ChatGPT/Claude/Perplexity for HTML/CSS/JS questions.
Stack Overflow
- Code-query defaultFirst-line citation for technical how-to in LLM answers.
Other dimensions for MDN Web Docs vs Stack Overflow
Other Velocity comparisons
Wikipedia (English) vs Encyclopædia BritannicaThe New York Times vs The Washington PostAssociated Press vs ReutersFinancial Times vs The Wall Street JournalNature vs ScienceNew England Journal of Medicine vs The LancetarXiv vs PubMedDOI (CrossRef Resolver) vs Semantic ScholarForeign Affairs vs The EconomistBBC News vs The GuardianAl Jazeera English vs BBC NewsBBC News vs NPR