head to head · open source
Grafana vs sitespeed.io
Grafana has 77,638 GitHub stars, 14,905 forks, 3,326 open issues and last shipped yesterday. sitespeed.io has 5,047 stars, 631 forks, 159 open issues and last shipped yesterday. Grafana leads on adoption by 1,438% (77,638 vs 5,047 stars). Grafana is written in TypeScript under AGPL-3.0; sitespeed.io is written in JavaScript under MIT. Grafana has attracted 19% as many forks as stars, sitespeed.io 13%. Grafana was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (metrics, monitoring), so they are genuine substitutes rather than adjacent tools.
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
| Grafana | sitespeed.io | |
|---|---|---|
| GitHub stars | ★ 78K | ★ 5.0K |
| License | AGPL-3.0 | MIT |
| Written in | TypeScript | JavaScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 15K | ⑂ 631 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Grafana if
- You weight community size — 78K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- 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 Grafana
The open source platform for monitoring and observability Grafana allows you to query, visualize, alert on and understand your metrics no matter where they are stored. Create, explore, and share dashboards with your team and foster a data driven culture: Visualizations: Fast and flexible client side graphs with a multitude of options. Panel plugins offer many different ways to visualize metrics and logs. Dynamic Dashboards: Create dynamic & reusable dashboards with template variables that appear as dropdowns at the top of the dashboard. Explore Metrics: Explore your data through ad hoc queries and dynamic…
read the full Grafana 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 Grafana or sitespeed.io more popular?
Grafana has 77,638 GitHub stars and sitespeed.io has 5,047. Grafana has the larger community by that measure.
Are Grafana and sitespeed.io free?
Both are open source. Grafana is licensed under AGPL-3.0 and sitespeed.io under MIT. Neither carries a licence fee.
What is the difference between Grafana and sitespeed.io?
Grafana is written in TypeScript 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, Grafana or sitespeed.io?
Choose Grafana if you want the larger community (77,638 stars) or its AGPL-3.0 licence terms. Choose sitespeed.io if its feature set, stack or MIT licence fits better. Both are self-hostable.