First Byte Time

First Byte Time is the time it takes to receive the first byte of the page HTML, graphic object or other web component after the TCP connection is completed. You can measure the time it takes the first byte of a website to download with our Website Test tool.

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Similar topics

Usage tips

• Current Status for your Google page
  
• Using Firefox browser? Take the Current Status with you.
  

Knowledge base

• Response time
  
• Target type categories
  
• Time zone
  
• Contact Time Zone
  
• Maximum time to wait for a test message
  

Howtos

• Configure Alert Dependencies
  
• Check WHOIS records for status changes
  
• Microsoft Entra single sign-on (SSO) integration with WebSitePulse
  

Glossary

• TTFB
  
• Content Time
  
• Time-out / Timeout
  
• Redirect Time
  
• Latency
  

Frequently asked questions

• What is a Ping?
  
• What is the advantage for me of the WebSitePulse remote monitoring service?
  
• How do I Manage my account?
  
• Can I cancel my service account?
  
• What is the billing cycle and when do you bill me for your services?