I’ve been using "Hidester" as my go-to web proxy for school google sites. It’s free, easy to use, and hasn’t let me down yet. The interface is super simple, and it doesn’t bombard you with ads like some other proxies.
If you’re still stuck, maybe try using a different browser or clearing your cookies—sometimes that helps too.
If you’re still stuck, maybe try using a different browser or clearing your cookies—sometimes that helps too.