sitespeed.io CLI
End-to-end web performance testing CLI for monitoring speed and UX regressions on marketing sites.
Installation
npm install -g sitespeed.io About this Tool
sitespeed.io provides comprehensive browser-based performance analysis with repeatable test runs, metrics, and reporting. Marketing teams can use it to benchmark page speed and protect experience quality across funnels, landing pages, and content properties.
Use Case Examples
- Benchmark speed and UX metrics for key paid-media landing pages by region.
- Set up recurring performance checks for top conversion funnels.
- Compare release-to-release performance impact on content-heavy site sections.
MarketCore Editorial Review
MarketCore Editorial Review
Powerful performance analysis stack for teams that need deeper and repeatable web speed measurement.
Best For
- Funnel performance benchmarking
- Recurring page speed monitoring
- Release impact analysis
Code Quality
Mature project with robust measurement capabilities and strong active maintenance.
Limitations
Setup and interpretation complexity are higher than lightweight Lighthouse-only workflows.
Reviewed 2026-04-05
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Score Breakdown
Overall Score
Based on 5 dimensions
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