There are Chrome extensions to limit your tab usage:
https://chrome.google.com/extensions/detail/kokmfemecmlekdnj...
https://chrome.google.com/extensions/detail/nddlgphciklkobcj...
https://chrome.google.com/extensions/detail/kokmfemecmlekdnj...
https://chrome.google.com/extensions/detail/nddlgphciklkobcj...