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In this guide, you'll learn about TTFB (Time to First Byte), major factors that contribute to high TTFB time, optimization opportunities, and its impact on traffic.
Time to receive first byte of content from the server to the browser is known as TTFB.
TTFB time depends on server-side, web/app side, and client-side activities. Usually we optimize our server-side and website or web app side to reduce server response time.
Since client-side optimization for TTFB is beyond our control, we focus on what possibly could be improved on server and development end.
The common causes of high TTFB are a mix of server-side and web/app development side issues.
Based on performance lab tests, UX research, and expert analysis, TTFB time should be below 100ms.
Depending upon your server and technology stack, you can optimize several factors. Following guides shall help you reduce TTFB (time to first byte) on different servers.
Note: We’re updating all the following technical guides to make them easy to understand. Please bookmark this page and check back later.
If you need immediate premium (paid) support directly from our team on reducing TTFB on your server, please leave a feedback under this post.
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