Free website speed test measuring multiple pages with Core Web Vitals, lab metrics, competitor benchmarks and AI recommendations
Free open-source CLI that checks Ahrefs Domain Rating for domains and lists, stores history in SQLite, and shares access via HTTP API.
Stage
Not given
Established
Founded
Not given
2020
Based in
DE
Not given
Pricing model
Freemium
Free
Pricing
Free: test up to 3 pages with manual measurements only. Solo: €23/month or €230/year (25 monitored URLs, daily or weekly monitoring, 600 tests/month). Agency: €59/month or €590/year (150 monitored URLs, monitoring every 6 hours, 4,000 tests/month). Scale: €119/month or €1,190/year (500 monitored URL
Free to use; optional pay-per-URL service at $1.00 USD per URL on Index Pages platform.
Key features
Tests multiple pages automatically from sitemap
Competitor benchmark comparison with up to 4 competitors
Shows Core Web Vitals from real Chrome users
PageSpeed history tracking over time
Performance budgets with email alerts
Shareable reports with 365-day links
REST API and MCP access for AI agents
Local SQLite cache with historical data and trend tracking
HTTP API server mode for network-wide access
DR3 and DR4 formula support
MCP server integration for Claude and Cursor
Agent skill with bash script compatibility
Configurable via flags, environment variables, or TOML file
What makes it different
Tests several pages simultaneously instead of one URL at a time
Combines field data from real users with lab metrics in one report
Built-in competitor benchmarking against up to 4 domains
Industry-specific benchmarks showing what is normal in each sector
No sign-up required for free testing on any website
Free to use with no API unit costs, only requires free Ahrefs API key
Single static binary with no dependencies, compiled with SQLite included
Open source under MIT license with full source code on GitHub
Historical tracking shows domain rating trends over time
Runs on Linux, macOS, and Windows without external dependencies
PerfDelta
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