head to head · open source
NetData vs sitespeed.io
NetData has 81,255 GitHub stars, 6,717 forks, 393 open issues and last shipped yesterday. sitespeed.io has 5,047 stars, 631 forks, 159 open issues and last shipped yesterday. NetData leads on adoption by 1,510% (81,255 vs 5,047 stars). NetData is written in Go under GPL-3.0; sitespeed.io is written in JavaScript under MIT. NetData has attracted 8% as many forks as stars, sitespeed.io 13%. NetData was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| NetData | sitespeed.io | |
|---|---|---|
| GitHub stars | ★ 81K | ★ 5.0K |
| License | GPL-3.0 | MIT |
| Written in | Go | JavaScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 6.7K | ⑂ 631 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick NetData if
- You weight community size — 81K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick sitespeed.io if
- You want the sitespeed.io feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and sitespeed.io fits your workflow better
About NetData
X Ray Vision for your infrastructure! Every Metric, Every Second. No BS. Visit our Home Page MENU: WHO WE ARE KEY FEATURES GETTING STARTED HOW IT WORKS FAQ DOCS COMMUNITY CONTRIBUTE LICENSE [!WARNING] People get addicted to Netdata. Once you use it on your systems, there's no going back. WHO WE ARE Netdata is an open source, real time infrastructure monitoring platform. Monitor, detect, and act across your entire infrastructure. Core Advantages: Instant Insights – With Netdata you can access per second metrics and visualizations. Zero Configuration – You can deploy immediately without complex setup. ML Powered –…
read the full NetData overview →
About sitespeed.io
sitespeed.io [![Downloads][downloads image]][downloads url] [![Docker][docker image]][docker url] [![Stars][stars image]][stars url] [![npm][npm image]][npm url] [![Changelog 212][changelog image]][changelog url] Website Documentation Changelog Bluesky Mastodon Table of Contents What is sitespeed.io? Documentation Installation Docker NodeJS Usage Basic usage Advanced configuration Mobile testing Examples Contributing Reporting issues Community License What is sitespeed.io? sitespeed.io is an Open Source web performance tool. Run it once to debug a slow page and you get an HTML report with Core Web Vitals, a…
read the full sitespeed.io overview →
More in Infrastructure & Operations
Related comparisons
More Monitoring & Observability projects
Compare either of these against the rest of the Monitoring & Observability field.
Frequently asked questions
Is NetData or sitespeed.io more popular?
NetData has 81,255 GitHub stars and sitespeed.io has 5,047. NetData has the larger community by that measure.
Are NetData and sitespeed.io free?
Both are open source. NetData is licensed under GPL-3.0 and sitespeed.io under MIT. Neither carries a licence fee.
What is the difference between NetData and sitespeed.io?
NetData is written in Go and sitespeed.io in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, NetData or sitespeed.io?
Choose NetData if you want the larger community (81,255 stars) or its GPL-3.0 licence terms. Choose sitespeed.io if its feature set, stack or MIT licence fits better. Both are self-hostable.