Rated 4 out of 5 stars

It would be great if Shelve could save the page in .mht format. At least for those who have MAFF installed https://addons.mozilla.org/en-US/firefox/addon/212

This review is for a previous version of the add-on (1.19). 

mht integration

The next version 1.22 will have experimental support for the MAF add-on.