Category: Technical SEO

TTFB

Time to first byte from the server.

TTFB (Time To First Byte) is the time from sending a request to receiving the first byte of the server's response. A high TTFB slows the whole load and worsens LCP. Fast hosting, caching and a CDN shorten it.

🛠️ Check it in practice

We have a free tool related to this concept — test it on your own website.

Open the tool

🔗 Related terms

L

LCP

Time to render the largest content element.

C

Core Web Vitals

A set of page-loading quality metrics.

E

5xx error

Server errors (500, 502, 503...).

R

robots.txt

A file controlling bot access to the site.

Back to glossary

Check your website's SEO

Run a free, comprehensive SEO analysis and see which of these elements need fixing on your website.

Start free analysis