GTmetrix.in - Page Speed & Core Web Vitals

Inspect page speed, server latency (TTFB), and Google Core Web Vitals for any web page with a single click. Engineered by gtmetrix.in, India's web performance intelligence and Core Web Vitals audit platform. KEY FEATURES: 1. Real-Time Performance Telemetry - Time to First Byte (TTFB): Measure backend server response and latency. - First Contentful Paint (FCP): Track visual rendering speed. - DOM Interactive & Window Load Time: Verify client-side execution timings. 2. Visual Asset & Payload Analyzer - Segmented breakdown of JavaScript, CSS, Images, and Font assets. - Total HTTP request count and page transfer size in KB/MB. 3. Google Core Web Vitals Benchmarks - Real-time status tracking against Google standards: * Largest Contentful Paint (LCP < 2.5s) * Interaction to Next Paint (INP < 200ms) * Cumulative Layout Shift (CLS < 0.10) 4. On-Page SEO Diagnostics - Title Tag and Meta Description character count analysis. - Canonical URL validation and self-referencing check. - Robots Meta tag indexability audit (Index / Noindex alerts). - Heading hierarchy overview (H1, H2, H3 tags). - Image accessibility audit (Total images vs Missing Alt tags). 5. Technology Stack & Infrastructure Detection - CMS and framework detection (WordPress, Shopify, Next.js, Webflow). - Edge CDN verification (Cloudflare, AWS CloudFront, Fastly). - HTTPS security protocol and mobile viewport responsiveness. 6. Deep Audit Integration - One-click access to full Lighthouse diagnostics, waterfall charts, and Core Web Vitals reports on gtmetrix.in. PRIVACY & PERFORMANCE: - Manifest V3 compliant. - No background analytics or user tracking. - Zero data storage or third-party data sharing. - Activates strictly upon user interaction with the popup. Official Platform: https://gtmetrix.in Support & Feedback: https://gtmetrix.in/contact