I have switched to The Great Discarder, by the same developer.

Advantages over The Great Suspender: - More memory savings - Compatible with chrome tab syncing - Super lightweight extension that uses no content scripts or persistent background scripts

Disadvantages over The Great Suspender: - No visibility on which tabs have been suspended - Unable to prevent a tab from reloading when it gains focus

https://chrome.google.com/webstore/detail/the-great-discarde...