Package

perfy

A tiny, zero-dependency utility for measuring code execution time in high-resolution real time. Works in Node.js, browsers, Deno and Bun.

v2.1.0, 23 Jul 2026MITESM onlyTypes: BundledDOM and browser utilities Node.js utilities

$ npm install perfy

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 26.6k; +16% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 2 months ago; v2.1.0
GitHub stars: 55; 6 forks
Open issues / PRs: 0 / 0
Contributors: -
Commits, last 52 weeks: 6

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.

26,628 downloads last week, 107,039 in the last month. The 12-month change of +16% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: -
Latest version: 2.1.0, 23 Jul 20262 months ago
First published: -
Last push to GitHub: 24 Sept 2026same day as the snapshot
Repository archived: No
Open issues: 0
Open pull requests: 0
Commits, last 52 weeks: 6
Dependents on npm: 31

Major versions

Recent releases

Compatibility

Module format: ESM onlyFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: >=22
Runtimes: -
Unpacked size (npm): 49 kB
Dependencies (0): None

Install

npm install perfy

CDN

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

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
ieee754 Read/write IEEE754 floating point numbers from/to a Buffer or array-like object	84.5m	-	5 years ago	CommonJS	-
deep-extend Recursive object extending	33.8m	-	8 years ago	CommonJS	-
re2js RE2JS is the JavaScript port of RE2, a regular expression engine that provides linear time matching	5.1m	-	2 months ago	ESM + CommonJS	-
easy-stack Zero-dependency cooperative LIFO execution for Node.js and browsers	1m	-	1 month ago	ESM + CommonJS	-
level-iterator-stream Turn an abstract-leveldown iterator into a readable stream	564.4k	-	5 years ago	-	-
@pollyjs/utils Shared utilities and constants between @pollyjs packages	141.8k	-	3 years ago	ESM + CommonJS	-
@pollyjs/adapter-node-http Node HTTP adapter for @pollyjs	111.1k	-	3 years ago	ESM + CommonJS	-
@simov/deep-extend Recursive object extending	90.6k	-	4 years ago	CommonJS	-

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

Indexability: Indexed.