Performance Tools
6 tools available, 7 more coming soon. Everything you need to measure, diagnose, and fix web performance.
Field Data
Real-world performance data from actual Chrome users.
Lab Analysis
Synthetic testing and deep page-level diagnostics.
Lighthouse Report
Full Lighthouse audit with performance, accessibility, best practices, and SEO scores.
Trace Profiler
Upload a Chrome DevTools trace to get deep analysis of long tasks, main thread breakdown, CWV attribution, and frame performance.
Tech Stack Detector
Detect the frameworks, CMS, CSS libraries, analytics, and infrastructure behind any website.
Server Analysis
Analyze HTTP responses, resources, and server configuration.
Page Weight Analyzer
Measure the resource weight of any page — JS, CSS, images, and fonts with per-file breakdown.
HTTP Header Audit
Analyze caching, compression, CDN, and security headers for performance issues.
Redirect Profiler
Trace the full redirect chain with per-hop timing and protocol analysis.
Image Analyzer
Detect oversized, unoptimized, and improperly loaded images with fix suggestions.
Third-Party Impact
Classify and measure the performance cost of every third-party script.
Monitoring
Track performance over time with budgets and alerts.
Performance Budgets
Set metric thresholds and track field data against your budgets over time.
Regression Detector
Automatically detect statistically significant regressions in CrUX trends.
Scheduled Audits
Run recurring analysis on your URLs with historical tracking and alerts.