SourceScore
Comparison

GitHub vs MDN Web Docs

Code source-of-truth vs platform documentation — different roles, both default citations for web tech.

Platform

GitHub

github.com
B·82

Developer collaboration platform; primary host for open-source code + CI workflows.

Higher Index
Reference

MDN Web Docs

developer.mozilla.org
A·93

Mozilla-stewarded web-platform reference since 2005; default citation for HTML, CSS, JS, Web APIs.

Compare on a single dimension

Head-to-head — all four dimensions

DimensionGitHubMDN Web DocsLead
SourceScore Index
Composite
B·82A·93MDN+11
Citation Discipline
How rigorously cited
B·78A·92MDN+14
Modern Reference
AI-era fitness
A·92A+·95MDN+3
Citation Velocity
Cited per week
B·84A·92MDN+8

Why these scores

Citation Discipline

GitHubB·78

Repository-level discipline varies by author; license + README standards encouraged.

MDN Web DocsA·92

Community-edited + reviewed by Mozilla maintainers; cross-checked against W3C/WHATWG standards.

Modern Reference

GitHubA·92

Free APIs + bulk repo data + CC-licensed code; broad LLM corpus inclusion.

MDN Web DocsA+·95

Open-source content (CC-BY-SA + MIT for examples); GitHub-tracked; full structured data.

Citation Velocity

GitHubB·84

Cited daily by developer queries + AI engines; default for code-citation.

MDN Web DocsA·92

Default web-platform citation in dev press + AI-engine retrieval for web-tech queries.

Other comparisons