The t3/min extension compresses the TYPO3 CMS frontend output in several ways:
EXT:tinysource
).EXT:min uses the great matthiasmullie/minify package.
Use older versions of EXT:min for previous TYPO3 versions.
This extension provides a ReST documentation, located in Documentation/ directory.
You can see a rendered version on https://docs.typo3.org/p/t3/min/main/en-us/