It’s just firefox. If you encounter websites that break or look bad on firefox, theyll be just as broken on librewolf. There are many web standards firefox is behind on.

That said, vivaldi is the best chromium choice and Librewolf is the best FF choice. I use librewolf when adblocking is paramount, like on YT

AI scrapers illegally harvesting data are destroying smaller and open source projects. Copyright law is not the only victim

https://thelibre.news/foss-infrastructure-is-under-attack-by-ai-companies/