The most comprehensive MCP server for Google PageSpeed Insights. Get Lighthouse audits, Core Web Vitals, smart recommendations, and deep diagnostics — all through natural language in Claude, Codex, or any MCP client.
Works with your favorite AI tools
Watch how PageSpeed MCP analyzes any website in seconds, right from your AI assistant.
Everything you need to diagnose, optimize, and monitor web performance — accessible through natural language.
Full Lighthouse analysis with performance scores, Core Web Vitals, and detailed metrics for any URL.
CoreQuick performance overview with key metrics and top optimization opportunities at a glance.
QuickAI-powered smart recommendations with priority scoring and actionable code fixes.
SmartScreenshots, filmstrip timeline, and full-page captures showing load progression visually.
VisualDetailed request waterfall with timing, sizes, priorities, RTT, and server latency data.
Deep DiveJS bootup time, main thread breakdown, unused code detection, and duplicate modules.
PerformanceFind oversized images, lazy-load candidates, and modern format (WebP/AVIF) savings.
OptimizationIdentify render-blocking CSS/JS, critical request chains, and total blocking time.
Critical PathThird-party script analysis grouped by provider with transfer sizes and blocking times.
Third-PartyDOM-level debugging: LCP element details, CLS-causing elements, lazy-loaded LCP warnings.
DebuggingComprehensive audit across all categories: Performance, SEO, Accessibility, Best Practices.
CompleteReal-world Chrome UX Report field data with Core Web Vitals from actual users.
Field DataSide-by-side comparison of two URLs with metric-by-metric performance diff.
CompareUnified report combining Lighthouse lab data with CrUX real-world field data.
UnifiedAnalyze up to 10 URLs simultaneously with progress tracking and aggregate results.
BatchClear internal cache to force fresh API requests for all subsequent analyses.
UtilityGet Lighthouse scores and Core Web Vitals presented clearly, with color-coded results and priorities.
Three simple steps to unlock AI-powered web performance analysis.
Enable PageSpeed Insights API in Google Cloud Console and create an API key.
export GOOGLE_API_KEY=your-key
Add the MCP server to your Claude Desktop, Codex, or any MCP-compatible client.
{
"mcpServers": {
"pagespeed-insights": {
"command": "npx",
"args": ["pagespeed-insights-mcp"]
}
}
}
Just ask in natural language! "Analyze the performance of my website" — that's it.
"Analyze https://example.com
for mobile devices"
Receive comprehensive reports with scores, metrics, and prioritized recommendations.
Performance: 92/100 ✅
LCP: 1.8s ✅
CLS: 0.02 ✅
Stop switching between browser tabs. Get everything through your AI assistant.
| Feature | Manual PageSpeed | PageSpeed MCP |
|---|---|---|
| Natural Language Interface | ✗ | ✓ |
| Batch URL Analysis (10+) | ✗ | ✓ |
| Smart Recommendations | ✗ | ✓ |
| Side-by-Side Comparison | ✗ | ✓ |
| CrUX Real-World Data | Basic | ✓ Detailed |
| Element-Level Debugging | ✗ | ✓ |
| Network Waterfall | ✗ | ✓ |
| JS Profiling | ✗ | ✓ |
| Third-Party Impact | ✗ | ✓ |
| Intelligent Caching | ✗ | ✓ |
| Docker Support | N/A | ✓ |
| Localization (i18n) | Limited | ✓ Full |
Install in one command. Start analyzing in seconds.