Chrome has a lot of hidden features.
To access them, go to: chrome://flags
To view a video about them:
Chrome uses a lot of memory.
This feature may help to keep this under control:
Automatic tab discarding
If enabled, tabs get automatically discarded from memory when the system memory is low. Discarded tabs are still visible on the tab strip and get reloaded when clicked on. Info about discarded tabs can be found at chrome://discards. â€“ Mac, Windows
I'm just starting to test this out...