It was created before the wiki's revamp in 2018, in a time it had a different topic under a different head bureaucrat.
Even if you can edit the page, you should refrain from doing so unless absolutely necessary.
The Glitchipedia Experience is some code that is being developed by AngrydroidForce99,that can be put into Inspect Element to make Wikipedia look like it's completely broken. Report any problems in the comments. Just copy the codes in the pastebin link.