I have been using this app since 4 years ago, it never let me down. If you have sometimes problems to see any special page, you might go and allow the page to open, just for one time. I find it a very neccesary tool for the usual internet use of today. It also takes care of many Facebook-google tracking you have whenever you open sthing. Just do a usual check up on the icon to see if you are blocking all that might hurt you or be intruding. Kepp the app, up to date!

A BIG thank you to Akiha for helping with the restoring of the add on. ETERNALLY GRATEFULL to the creators of this add on!

After Firefox has blocked all the extensions I've installed, trying to retry them by searching in mozilla, it does not install them. Weak download that prevents and prevents the installation of what is supposedly allready signed.
"Download failed. Please check your connection."

* Update news: Today he goes down again and works. Thanks *