WordPress Speed Up Service | WordPress Website Maintenance Packages Slow first Byte Time??, by tipsntrick my website’s first byte taking 2 to 3 seconds so it is considered as very slow. i think after installation of SSL it is slow down. i deactivated all theme and plugin and switch to Twenty thirteen but it is not improving. How can i fix this? Is ssl required any configuration (HTTP/2)? or any other problem Slow first Byte Time??