Package

speedline-core

Get the speed index from chrome dev tool timeline files

v1.4.3, 28 Jul 2020MITCommonJSTypes: Bundled

$ npm install speedline-core

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 2.8m; +130% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 3; Direct, from package.json
Last release: 6 years ago; v1.4.3
GitHub stars: 811; 49 forks
Open issues / PRs: 11 / 8
Contributors: -
Commits, last 52 weeks: 1

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.

2,816,325 downloads last week, 12,910,071 in the last month. The 12-month change of +130% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 03 in total
Latest version: 1.4.3, 28 Jul 20206 years ago
First published: 7 Aug 2018
Last push to GitHub: 11 Nov 2025317 days before the snapshot
Repository archived: No
Open issues: 11
Open pull requests: 8
Commits, last 52 weeks: 1
Dependents on npm: -

Major versions

v1 first release 1.4.0, 7 Aug 2018

Recent releases

Version	Published
1.4.3	28 Jul 2020
1.4.2	20 Sept 2018
1.4.0	7 Aug 2018

Compatibility

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: >=8.0
Runtimes: -
Unpacked size (npm): 139 kB
Dependencies (3): jpeg-jsimage-ssim@types/node

Install

npm install speedline-core

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/speedline-core@1.4.3/
unpkghttps://unpkg.com/speedline-core@1.4.3/
esm.shhttps://esm.sh/speedline-core@1.4.3

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

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