Key numbers
As of 25 Sept 2026
- Weekly downloads
- 488.7k
- +78% over 12 months
- Gzip bundle size
- -
- No Bundlephobia data
- Dependencies
- 0
- Direct, from package.json
- Last release
- 11 years ago
- v1.0.3
- GitHub stars
- 1
- 0 forks
- Open issues / PRs
- 0 / 0
- Contributors
- -
- Commits, last 52 weeks
- 0
Downloads
Last week 2026-09-15 to 2026-09-21
488,705 downloads last week, 2,256,500 in the last month. The 12-month change of +78% compares the average of the last 4 weeks with the first 4 weeks of the series.
- Releases, last 12 months
- 05 in total
- Latest version
- 1.0.3, 26 May 201511 years ago
- First published
- 25 May 2015
- Last push to GitHub
- 26 May 20154,139 days before the snapshot
- Repository archived
- No
- Open issues
- 0
- Open pull requests
- 0
- Commits, last 52 weeks
- 0
- Dependents on npm
- 6
Major versions
- v1 first release 1.0.0, 25 May 2015
- v0 first release 0.0.0, 25 May 2015
Recent releases
| Version | Published |
|---|---|
| 1.0.3 | 26 May 2015 |
| 1.0.2 | 25 May 2015 |
| 1.0.1 | 25 May 2015 |
| 1.0.0 | 25 May 2015 |
| 0.0.0 | 25 May 2015 |
- Module format
- -Not determined from package.json
- TypeScript types
- None
- Node.js engine range
- >=0.10.0
- Runtimes
- -
- Unpacked size (npm)
- -
- Dependencies (0)
- None
npm install is-firefox- jsDelivr
https://cdn.jsdelivr.net/npm/is-firefox@1.0.3/ - unpkg
https://unpkg.com/is-firefox@1.0.3/ - esm.sh
https://esm.sh/is-firefox@1.0.3
Indexability: Not indexed (discovery only): no category.