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Package

fontfaceobserver

Detect if web fonts are available

v2.3.0, 16 May 2022BSD-2-ClauseCommonJSTypes: None
$ npm install fontfaceobserver
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Key numbers

As of 25 Sept 2026
Weekly downloads
6.3m
+291% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
4 years ago
v2.3.0
GitHub stars
4.3k
266 forks
Open issues / PRs
7 / 4
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
02.5m5m7.5m10mSept 2025Mar 2026Sept 2026High 8.3m (25 Aug 2026)Low 1.3m (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

6,311,369 downloads last week, 29,338,635 in the last month. The 12-month change of +291% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
057 in total
Latest version
2.3.0, 16 May 20224 years ago
First published
26 Jan 2015
Last push to GitHub
18 Feb 2025583 days before the snapshot
Repository archived
No
Open issues
7
Open pull requests
4
Commits, last 52 weeks
0
Dependents on npm
-

Major versions

  1. v2 first release 2.0.0, 8 Jul 2016
  2. v1 first release 1.0.0, 26 Jan 2015

Recent releases

VersionPublished
2.3.016 May 2022
2.2.016 May 2022
2.1.01 Dec 2018
2.0.132 Jun 2017
2.0.122 Jun 2017
2.0.102 Jun 2017
2.0.927 Feb 2017
2.0.83 Feb 2017
2.0.730 Nov 2016
2.0.628 Nov 2016
2.0.54 Oct 2016
2.0.429 Aug 2016
2.0.329 Aug 2016
2.0.229 Aug 2016

Compatibility

Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
33 kB
Dependencies (0)
None

Install

npm install fontfaceobserver

CDN

jsDelivr: 2.3m requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/fontfaceobserver@2.3.0/
  • unpkghttps://unpkg.com/fontfaceobserver@2.3.0/
  • esm.shhttps://esm.sh/fontfaceobserver@2.3.0
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): no category.