macbre/phantomas
Headless Chromium-based web performance metrics collector and monitoring tool observed · 2026-08-28
Health v2 · maintenance only
90/100
- Activity 99
- Release rhythm 74
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.
- gap_med: 42
- age_days: 5170
- days_rel: 97
- days_push: 9
- n_releases_24m: 12
Adoption not part of the score
2260 stars · 135 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
A headless Chromium-based web performance metrics collector and monitoring tool built on Node.js and Puppeteer. It loads pages in a headless browser and reports detailed performance metrics and offenders via a CLI, Node API, or Docker image.
Use cases
- measure page load performance metrics for a url
- monitor website performance regressions in ci
- audit dom queries and javascript execution on a page
- collect http response and request metrics with headless chrome
- run web performance audits from docker
- track web vitals style metrics over time
When to choose
- you need detailed, modular web performance metrics from a real headless browser
- you want a scriptable Node.js API or CLI for automated perf audits
- you prefer a dockerized tool for CI performance monitoring
When to avoid
- you need lighthouse-style scores and best-practice audits rather than raw metrics
- you need real-browser testing with visible UI or screenshots of interactions
- your project does not use Node.js and you cannot run Docker
Facets
cli-tool · maturity active
monitoring benchmarking developer-tools web-development performance developer-tools cli cross-platform web-performance headless-chromium puppeteer metrics-collector webperf nodejs docker
2 sources
- readme: https://github.com/macbre/phantomas · fetched 2026-08-28 · 2b3935373cde
- registry_npm: https://registry.npmjs.org/phantomas · fetched 2026-08-29 · a060e2aa3c97
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| macbre/phantomas | main | 90 |
For agents
markdown · JSON · MCP: product_card(name="macbre/phantomas")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem