What is TTFB? Time to First Byte (TTFB) is the time it takes a user to receive the first byte from a web server when requesting a particular URL. After testing several websites, data showed that although there is no solid evidence to suggest ranking had a strong correlation to TTFB values, the correlation was […] Author information Mark Scott Owner at Doc Marketing Mark Scott is the owner of social media and SEO company DOC Marketing and a freelance writer