🔥 125,847 tests performed

⚡ TTFB Analyzer

Free Time To First Byte Checker Tool

Analyze your website's TTFB, DNS lookup, SSL handshake, and server response time instantly

📊 What is TTFB (Time To First Byte)?

TTFB measures the time between a browser making a request and receiving the first byte of data from the server. It's a critical web performance metric that affects user experience and SEO rankings.

TTFB includes:

  • DNS Lookup - Time to resolve domain name to IP address
  • TCP Connection - Time to establish connection with server
  • SSL/TLS Handshake - Time for HTTPS encryption setup (if applicable)
  • Server Processing - Time for server to process request and generate response
TTFB Range Rating SEO Impact User Experience
< 100ms 🚀 Excellent Top rankings Lightning fast
100-200ms ✅ Good Great rankings Very fast
200-500ms ⚠️ Acceptable Neutral Noticeable delay
> 500ms ❌ Poor Ranking penalty Slow, frustrating

💡 Industry Benchmarks:
Amazon: ~80ms • Google: ~50ms • Facebook: ~90ms • Netflix: ~120ms

🐰 Pro Tip: Reduce TTFB by 70-90% with a CDN

High TTFB (>300ms) often means your server is far from your visitors or overloaded. A Content Delivery Network (CDN) with edge storage caches your content at 100+ global locations, serving users from the nearest server.

The Impact: If your server is in Europe but your visitor is in Asia, that's 12,000+ km of distance adding 500-2000ms to TTFB. With edge storage, it's served from Tokyo (<50ms away).

We recommend Bunny.net CDN for exceptional TTFB reduction at affordable pricing - starting at just $1/month with 114 global edge locations, free SSL, and DDoS protection.

  • ✅ 10x cheaper than Cloudflare Enterprise or AWS CloudFront
  • ✅ Edge Storage - Serve from 114 locations worldwide
  • ✅ 5-minute setup with WordPress plugin or any CMS
  • ✅ 14-day free trial - Test it risk-free

📊 TTFB Analysis Results

TTFB (Time To First Byte)
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DNS Lookup Time
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TCP Connection Time
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SSL/TLS Handshake
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Server Response Time
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Total Load Time
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⏱️ Performance Timeline Breakdown

🚀 Want Continuous TTFB Monitoring?

This is a one-time test. For 24/7 monitoring, instant alerts when TTFB degrades, and detailed analytics:

📡 Multi-Location Monitoring Test from 7 locations every 5-60 minutes
⚡ Instant Alerts Email, SMS, Slack, Discord & more
📊 Detailed Analytics Uptime %, response times, incidents
🔔 Performance Alerts Get notified when TTFB increases
🎁 Start Free - No Credit Card Required 📋 View All Plans & Pricing

Free Plan Includes: 5 monitors • 7 global ping locations • Status pages • Heartbeats • SSL monitoring

❓ Frequently Asked Questions About TTFB

What is TTFB and why does it matter?

TTFB (Time To First Byte) is the time between a user's browser making an HTTP request and receiving the first byte of data from your server. It's crucial because it directly impacts:

  • User Experience - Lower TTFB means faster page loads and happier users
  • SEO Rankings - Google uses TTFB as a Core Web Vital signal
  • Conversion Rates - Every 100ms improvement in TTFB can increase conversions by 1-3%
  • Bounce Rates - High TTFB (>500ms) increases bounce rates significantly

Google recommends TTFB under 200ms for optimal performance. Sites exceeding 600ms TTFB often see ranking penalties.

How can I improve my TTFB?

Top strategies to reduce TTFB:

  1. Use a CDN with Edge Storage (Most Effective - 70-90% reduction)
    We recommend Bunny.net CDN:
    • 114 global edge locations serving content locally
    • Edge storage caches static files worldwide
    • Starting at $1/month (10x cheaper than alternatives)
    • WordPress plugin for easy integration
    • Free SSL certificates & DDoS protection
    • 14-day free trial
  2. Enable Server-Side Caching - Use Redis, Memcached, or Varnish to cache dynamic content
  3. Optimize Database Queries - Add indexes, reduce JOIN operations, use query caching
  4. Upgrade Hosting - Switch to faster servers (NVMe SSD, high CPU/RAM)
  5. Use Fast DNS Provider - Switch to Cloudflare DNS or Route53 (reduces DNS lookup by 50-80ms)
  6. Enable HTTP/2 or HTTP/3 - Modern protocols reduce connection overhead
  7. Minimize Redirects - Each redirect adds 100-300ms to TTFB
  8. Enable Gzip/Brotli Compression - Reduces data transfer time

Pro Tip: A CDN with edge storage typically provides the biggest TTFB improvement. Try Bunny.net free for 14 days to see the difference.

What is a good TTFB score?

TTFB Performance Standards:

  • Excellent: Under 100ms - Top-tier performance, ideal for e-commerce
  • Good: 100-200ms - Meets Google's recommendations
  • Acceptable: 200-500ms - Room for improvement
  • Poor: Over 500ms - Urgently needs optimization

For reference, major websites achieve: Amazon (~80ms), Google (~50ms), Facebook (~90ms). These sites use extensive CDN networks with edge storage to serve content from the nearest location to users.

Industry data shows: Improving TTFB from 500ms to 100ms can increase conversion rates by 7-12% and reduce bounce rates by 15-25%.

Why is my TTFB high?

Common causes of high TTFB:

  • No CDN / Edge Storage - Visitors far from your origin server experience high latency
  • Slow DNS Resolution - Can add 100-500ms before connection even starts
  • Overloaded Server - High CPU/RAM usage delays response generation
  • Unoptimized Database - Slow queries can add 500-3000ms to TTFB
  • No Server Caching - Every request regenerates content from scratch
  • Heavy PHP/Backend Processing - Complex operations delay first byte
  • Large Distance - Physical distance between user and server adds latency
  • Too Many Redirects - Each redirect adds another round-trip

Quick Fix: The fastest way to reduce TTFB globally is implementing a CDN with edge storage. Bunny.net offers 114 edge locations starting at $1/month with a WordPress plugin for easy setup.

Is this TTFB analyzer free?

Yes! Our TTFB analyzer is completely free with up to 15 tests per day. No registration, credit card, or signup required. This is part of our suite of free website monitoring and optimization tools. For continuous 24/7 TTFB monitoring with alerts, check out our premium monitoring service which includes a free tier with 5 monitors.

How does TTFB affect SEO?

TTFB is a significant SEO ranking factor. Google's algorithm considers it as part of the Core Web Vitals assessment. Here's how it impacts SEO:

  • Direct Ranking Signal - Google uses TTFB to evaluate site speed
  • Crawl Budget - High TTFB means fewer pages crawled per visit
  • User Experience Signals - High TTFB increases bounce rates, which hurts rankings
  • Mobile Rankings - TTFB is even more critical for mobile SEO
  • Indexing Speed - Faster TTFB means faster content indexing

SEO Impact Data: Sites with TTFB under 200ms rank an average of 3-5 positions higher than sites with TTFB over 500ms (for the same content quality). Reducing TTFB from 600ms to 150ms can improve organic traffic by 15-30% within 3-6 months.

What's the difference between TTFB and page load time?

TTFB (Time To First Byte): Measures only the time to receive the first byte of HTML from the server. It includes DNS lookup, TCP connection, SSL handshake, and server processing time.

Page Load Time: Measures the complete time from initial request until all resources (HTML, CSS, JavaScript, images) are fully downloaded and rendered.

Example breakdown:

  • TTFB: 150ms (server responds with first byte of HTML)
  • HTML Download: +50ms
  • CSS/JS Download: +300ms
  • Images Download: +500ms
  • Render Time: +200ms
  • Total Page Load Time: 1,200ms

TTFB is the foundation - if it's slow (>500ms), your entire page will be slow regardless of optimization. That's why optimizing TTFB first (via CDN, caching, faster hosting) provides the biggest performance wins.