Skip to content
JS
Package

lazysizes

High performance (jankfree) lazy loader for images (including responsive images), iframes and scripts (widgets).

v5.3.2, 31 Mar 2021MITCommonJSTypes: BundledDOM and browser utilities
$ npm install lazysizes

Key numbers

As of 25 Sept 2026
Weekly downloads
168.5k
-3% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
5 years ago
v5.3.2
GitHub stars
17.7k
1.7k forks
Open issues / PRs
175 / 34
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
0100k200k300kSept 2025Mar 2026Sept 2026High 246.7k (25 Aug 2026)Low 93.6k (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.

168,494 downloads last week, 773,850 in the last month. The 12-month change of -3% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
5.3.2, 31 Mar 20215 years ago
First published
-
Last push to GitHub
3 Apr 2024904 days before the snapshot
Repository archived
No
Open issues
175
Open pull requests
34
Commits, last 52 weeks
0
Dependents on npm
226

Major versions

-

Recent releases

-

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

CDN

jsDelivr: 105.1m requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/lazysizes@5.3.2/
  • unpkghttps://unpkg.com/lazysizes@5.3.2/
  • esm.shhttps://esm.sh/lazysizes@5.3.2
PackageWeekly downloadsGzipLast releaseModuleComparison
lozad35.2k-6 years agoESM + CommonJS-
vanilla-lazyload43.2k-2 years agoESM + CommonJS-
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.