You can barely even use FB messenger (you need to get messenger-lite).
I only know this cuz tmobile would give you free 2g all over europe. it was JUST BARELY helpful. mostly just sms and email.
google maps was unusable etc. This only got worse over the years.
They now give you free 3G and it's bearable. 2G is insanely slow in the 2020+ world.
2G ~= 5 KB/s. That means 40 seconds just to download a properly optimized react bundle.
5MB site? 16+ minutes.
Note that many European countries have already got rid of their 3G networks completely [0]. So it's either "you have 4G/5G" or "the internet is pretty much unusable", nothing in between.
As someone living in a European country with no 3G network, my experience with mobile data is that when my phone fails to find a 4G signal and switches to 2G (pretty much only happens in remote areas, thankfully), I can as well send my packets using a pigeon carrier, they're going to arrive to the destination sooner.
My experience with 2G speeds is:
1. Open job application site
2. Upload resume pdf
3. Upload required picture of ID
4. Server's nginx config has a hard-coded timeout after 1 minute. Connection error
5. Try to upload again
6. Connection error
A huge number of pieces of the web have hardcoded timeouts and limits designed to stop slowloris style attacks, and if your connection is slow enough, those will prevent you from ever being able to complete some tasks.
I've paid for 2GB/mo for years now. I think I ran out once.