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Package

pa11y

Pa11y is your automated accessibility testing pal

v10.0.0, 28 Aug 2026LGPL-3.0-onlyCommonJSTypes: NoneAccessibilityTesting
$ npm install pa11y

Key numbers

As of 25 Sept 2026
Weekly downloads
187.1k
+5% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
9
Direct, from package.json
Last release
27 days ago
v10.0.0
GitHub stars
4.6k
303 forks
Open issues / PRs
37 / 7
Contributors
-
Commits, last 52 weeks
42

Downloads

Last week 2026-09-15 to 2026-09-21
0100k200k300k400kSept 2025Mar 2026Sept 2026High 341.4k (27 Jan 2026)Low 135.1k (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.

187,142 downloads last week, 984,513 in the last month. The 12-month change of +5% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
10.0.0, 28 Aug 202627 days ago
First published
-
Last push to GitHub
21 Sept 20264 days before the snapshot
Repository archived
No
Open issues
37
Open pull requests
7
Commits, last 52 weeks
42
Dependents on npm
79

Major versions

-

Recent releases

-

Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
^22.13.0 || >=24
Runtimes
-
Unpacked size (npm)
103 kB
Dependencies (9)
bfjsemverenvinfoaxe-coremustachecommanderpuppeteernode.extend@pa11y/html_codesniffer
npm install pa11y
  • jsDelivrhttps://cdn.jsdelivr.net/npm/pa11y@10.0.0/
  • unpkghttps://unpkg.com/pa11y@10.0.0/
  • esm.shhttps://esm.sh/pa11y@10.0.0
PackageWeekly downloadsGzipLast releaseModuleComparison
@axe-core/webdriverjs67.3k-1 month agoESM + CommonJS-
@sa11y/assert17.8k-8 days agoCommonJS-
@sa11y/jest14.3k-8 days agoCommonJS-
@guidepup/playwright22.5k-1 month agoCommonJS-
axe-playwright424.1k-1 year agoCommonJS-
axe-testcafe15.2k-7 years agoCommonJS-
@storybook/addon-a11y7.6m-22 days agoESM only-
@accesslint/vitest10.7k-1 month agoESM + CommonJS-
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.