Home Resources What is “Time to First Byte” & Why is it Important

What is “Time to First Byte” & Why is it Important

Time to First Byte (TTFB) is a measurement used as to indicate a website’s responsiveness. It measures the amount of time between creating a connection to the server and downloading the contents of a web page. The metric is the sum of “Redirect Duration” + “Connection Duration” + “Backend Duration” and it a key indicators of web performance.

A website with a high TTFB can frustrate its visitors, and can lead to:

  1. Your visitors may abandon your website and visit your competitor’s site
  2. Your Search Engine Results Page (SERP) rank can suffer

What Is Considered A Good “Time To First Byte”?

According to Google, your website’s TTFB should be 200 milliseconds or less. If your site is much slower than that, such as 500 milliseconds or more, it needs some work.

Good

<100

milliseconds

Average

100 – 500

milliseconds

Poor

>500

milliseconds

Need Help with a High TTFB?

We’re here for you

We love solving complex problems and want to help you solve yours. We’ll take care of the heavy lifting so that you can focus on your audience.