it requires you to have your own backend with a data compression server running on it. A SERVER. Like, you have to write your own backend for this extension to work. That's hilarious - if i was going to write my own image compression backend, why would i pair it with an extension made by some russian guy?

doesn't work right away , needs a lot of setting up .

Doesnt work anymore and the web blocked by ISP

It doesn't even work. It's now telling you to do the whole thing by yourself. Completely and utterly useless add on unless you're a tech-person which is not 90% of the people who use computers.

This might have been a helpful add-on once, but these days the server to compress the images is no longer running, making the add-on useless for most potential users.

This add-on, Ver. 2.1.4, stopped working over a month ago with no response from the developers.

Doesn't work with Firefox 86.0

The Star rating system is so flawed for the kind of addons that this has developed into...

Conceptwise, it is a clear 5.
Ease of use, an even clearer 1.

For the vast, vast majority of users the addon is now just a trap that they might waste much time trying to figure out. Until such a time it somehow automates the process of setting up and maintaining compression services again.

Further, those who have no problem setting it up are unlikely to really need the star system to find their way here. They will come here via link from articles/blogs/forums and similar.

So while it might not feel particularly fair, the only reasonable "Star Rating" is a 1.

No longer works--you have to set up your own compression service to use this plug-in

I installed it and got this message. Why doesn't the site I downloaded the plugin say this?

Public data compression service shutdown

Due to increased load and complains from ISP we are shutting down public data compression service under https://compressor.bandwidth-hero.com

You can continue using extension and save data by installing your own service.