Website Speed Test
Analyze live website loading latency, server response times, and critical asset payloads directly in your browser without queue delays.
What This Metric Means for Your Site
Time to First Byte measures how fast your web hosting server responds to visitors. When the server is slow, visitors stare at a blank screen before any text or pictures appear.
How to Improve Your Score (Actionable Fixes)
- Enable server-level page caching (FastCGI, Redis, or Varnish).
- Use an edge CDN with automatic platform optimization to serve HTML from the nearest edge point.
- Audit slow database queries and disable autoloaded options in your CMS database.
Deep-Dive Editorial Guides
Empirical benchmarks and implementationHow to Score 100 on PageSpeed Without Breaking Conversion Tracking
Striving for a perfect PageSpeed score often tempts developers to disable crucial analytics and tracking scripts. Here is a battle-tested approach to hitting green metrics while keeping your conversion tracking intact.
100-Website Forensic Audit: Real-World Averages for Speed, Schema, and AI Crawlers
We audited 100 live production websites across SaaS, E-Commerce, Indie Hackers, and Agencies. Here is the empirical breakdown of real-world TTFB, mobile LCP failures, JSON-LD schema adoption, and llms.txt readiness.
Website Autopsy #001: A Full Mobile Performance Teardown
Target: High-Growth SaaS Landing Page (Next.js / Tailwind) (March 2026)
LCP Element Finder
Isolate the exact image or headline slowing down your Largest Contentful Paint.
Official Performance Standard Documentation
Read the official technical guidelines and documentation governing this metric.
VitalsSniper PRO In-Tab Forensics
Isolate exact DOM elements, generate white label PDF audit summaries, and export outreach lead lists in 50ms from any live Chromium tab.