Why am I getting all these messages on my PC all he time, from this url?

in the lower right-hand corner of my PC , I get several of them, one after the other, and it's annoying.

Can you elaborate on the content of these messages? Maybe browser notifications are enabled for this site?

Are you sure that they are not notifications as part of Windows 10 (e.g. when you get an email or something)?

Did you allow notifications from these websites?

Can we have a screenshot so we know what we are working with please?