Package

performance-now

Implements performance.now (based on process.hrtime).

v2.1.0, 19 Feb 2017MITCommonJSTypes: Bundled

$ npm install performance-now

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 29.1m; +18% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 9 years ago; v2.1.0
GitHub stars: 0; 2 forks
Open issues / PRs: 2 / 0
Contributors: -
Commits, last 52 weeks: 0

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

29,060,292 downloads last week, 119,173,149 in the last month. The 12-month change of +18% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 011 in total
Latest version: 2.1.0, 19 Feb 20179 years ago
First published: 22 May 2013
Last push to GitHub: 5 Feb 20212,057 days before the snapshot
Repository archived: No
Open issues: 2
Open pull requests: 0
Commits, last 52 weeks: 0
Dependents on npm: 1,179

Major versions

v2 first release 2.0.0, 8 Jan 2017
v1 first release 1.0.0, 3 Jan 2017
v0 first release 0.1.0, 22 May 2013

Recent releases

Version	Published
2.1.0	19 Feb 2017
2.0.0	8 Jan 2017
1.0.2	8 Jan 2017
1.0.1	3 Jan 2017
1.0.0	3 Jan 2017
0.2.0	17 Sept 2014
0.1.4	25 Aug 2014
0.1.3	21 Aug 2013
0.1.2	23 May 2013
0.1.1	22 May 2013
0.1.0	22 May 2013

Compatibility

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

Install

npm install performance-now

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/performance-now@2.1.0/
unpkghttps://unpkg.com/performance-now@2.1.0/
esm.shhttps://esm.sh/performance-now@2.1.0

Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

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