Single website very slowly or not loading?

So
2

For two days, a certain website (university mail portal) has stopped loading or very slowly on my devices (two smartphones and laptop) when they are connected to the WLAN. If I'm connected to mobile data, the page loads normally.

So the page is called normally. Only when I want to register does it load until Santa never sells or not at all…

The IT support at the university doesn't know why.

Does anyone have an idea why this might be?

ap

Have you ever deleted your browser's cache and history? CCleaner is a nice tool to clean up such data.

So

Yes, I have already deleted it. Yesterday I had access to a different WLAN, so I didn't have the problem. Kind of strange 🤔

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