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`.astro`

1 claimant 1 primary 0 secondary unambiguous primary

SWH popularity

From the SWH-MSR-ARV dataset (Desmazières, Di Cosmo, Lorentz, MSR 2025; file nb_extensions_alphanum.csv) — one row per (ext, year) in the full SWH archive. Case-aggregated. citation.

333.0K

total occurrences

132.5K

since 2019 (39.8%)

1983–2023

years active

Case variants in archive: .astro (333.0K), .ASTRO (21), .Astro (3) — aggregated above.

Attribution status

This extension is attributed to Astro as primary by 1 authoritative claim.

Authoritative sources: ✓ Linguist ✗ Pygments · no claim ✗ Wikidata · no claim ✗ Wikipedia · no claim

Disagree or have a correction? Open a labelling issue.

Claimants (1)

Languages that list .astro among their extensions. Strength reflects whether the upstream source treated it as their primary extension.

Language	Source	Strength
Astro	linguist	primary

SWH-mined examples (1)

Real archived programs with this extension, byte-verified against the SWH archive. Useful for deciding what this extension actually is when the attribution is uncertain.

theme-grid.astro · 5703 B · seen 81× in SWH

predicted: Astro via unique-primary

swh:1:cnt:64f4f9d3387aa14cfcce0689494ef1b5d67d63b2;origin=https://github.com/withastro/starlight;anchor=swh:1:rev:8a2c522785402fffd32a8b7db51d818e93523115;path=/docs/src/components/theme-grid.astro

Open in SWH · Raw bytes