Sending less data.
WHAT IT DOES
Compresses text files before sending: HTML, CSS, JavaScript.
The browser decompresses them.
WHAT DIFFERENCE IT MAKES
Text files frequently compress to a fraction of their size.
A meaningful reduction in page weight for no visual change.
WHAT IT DOES NOT HELP
Images and video, which are already compressed.
HOW TO ENABLE IT
Usually on by default on our servers.
Caching plugins also offer it.
HOW TO CHECK
A speed test report will tell you whether compression is active.
IF IT IS NOT
Check your caching plugin settings.
If it still is not, open a ticket.
WHAT ELSE REDUCES TRANSFER
Minification, which removes unnecessary characters from code Removing unused code
For most sites, compression and image optimisation between them do most of the work.
