What does the Framework migration signal mean?

The Framework migration signal indicates a specific pattern of engineering acceleration. Full classification logic and the four-signal taxonomy are documented at /methodology and /signals.

Where can I find mdn's historical signal data across periods?

The startup hub at /startup/mdn consolidates every period of historical signal data for mdn, including commit-velocity change, contributor growth, and signal classification. The free /api/signals.json endpoint exposes the same data for programmatic access.

Q3 2025 · Historical Snapshot

mdn — Q3 2025 Engineering Signal

Data and tools related to MDN Web Docs (formerly Mozilla Developer Network, formerly Mozilla Developer Center...)

Signal — Q3 2025

In Q3 2025, mdn showed +13% commit velocity change with 100 active contributors (+0% growth). Signal type: Framework migration. Ranked #10 of 21 in EdTech for Q3 2025.

Metrics — Q3 2025

Commit Velocity (14d)

211

Velocity Change

+13%

Contributors

100

+0% growth

New Repos (30d)

Context

Sector: EdTech (full Q3 2025 ranking)

Stage at time of snapshot: Growth

Geography: Unknown

Signal classification: Framework migration — learn what this signal means

See mdn's current signal

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