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Package

@perf-tools/performance

User Timing polyfill

v1.1.1, 6 Jul 2020MITCommonJSTypes: NonePolyfills and shims
$ npm install @perf-tools/performance

Key numbers

As of 25 Sept 2026
Weekly downloads
3.6k
- over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
6 years ago
v1.1.1
GitHub stars
153
6 forks
Open issues / PRs
3 / 1
Contributors
-
Commits, last 52 weeks
0

No weekly download data in the snapshot.

3,560 downloads last week, 22,562 in the last month. No 52-week series has been fetched yet.

Releases, last 12 months
-
Latest version
1.1.1, 6 Jul 20206 years ago
First published
-
Last push to GitHub
10 Aug 20231,141 days before the snapshot
Repository archived
No
Open issues
3
Open pull requests
1
Commits, last 52 weeks
0
Dependents on npm
6

Major versions

-

Recent releases

-

Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
18 kB
Dependencies (0)
None
npm install @perf-tools/performance
  • jsDelivrhttps://cdn.jsdelivr.net/npm/@perf-tools/performance@1.1.1/
  • unpkghttps://unpkg.com/@perf-tools/performance@1.1.1/
  • esm.shhttps://esm.sh/@perf-tools/performance@1.1.1
PackageWeekly downloadsGzipLast releaseModuleComparison
@fastly/performance-observer-polyfill44.7k-5 years agoESM + CommonJS-
Sources: npm registry, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): downloads_week 3560 < 10000.