Why does my microbit not connect to the scratch sever but it works in the offline editor

…Why did I think this was Bugs and Glitches?
And what happens exactly when you try to do it online?
Edit:
https://web.archive.org/web/20130509213552/http://scratch.mit.edu/discuss/
Notice where Suggestions, Bugs and Glitches, and Questions about Scratch are?
Edit 2:
Also feel free to facepalm hard.