If you recognize the language, use that. If it’s in a language you don’t recognize, you could put it into google translate and see what it shows up as.
If the language on the root post is your native language, then just set it for your account from undetermined to your native language.
Try setting your language in your account to whatever the root thread language is.
Copy thread url, paste it into an incognoto mode browser that’s not logged into the instance. Compare what you see with your account settings and decide if you need to make changes or not.
As someone else said, either a USB transfer cable or
a USB network adapter and your local network.
And yet in this case if I change my agent to any non-FF value while using FF, videos load immediately.
I set my agent back to FF, 5 second delay.