Rated 5 out of 5 stars

This add-on is all-right because it does what it promises: it automatically opens websites every 1 hour, 2 days, 3 months, etcetera. It works, although I have not tested yet the 'every 1 year' possibility.

(Do not compare it with update scanner, with has a different goal, namely show changes in websites when you open them.)

This review is for a previous version of the add-on (