@bojkotiMalbona I don't have uMatrix installed, only "Privacy Badger".
Turning the content blocking of Firefox of will load the page. Having it on, will not load the assets.
JS is enabled, its all about the "Enhanced Tracking Protection is ON for this site".
At least for me.
That are my settings. And I think it's fine that it's not working. But they should build sites you can use without being tracked.
A Mastodon instance for info/cyber security-minded people.