I just realize that the error is came from my windows 7. Because I can open the page in my ubuntu and have ping too. Here I attach the relevant screenshot.

Is there any other idea to playing mdns well in windows 7?

Thank you,

Saaddin Nur

Thank you both for your help, it was indeed the library that had trouble with local ip adresses. I now got it working with another one :) Could you please explain the method to solve the issue? Because I've experienced the same issue. For all esp 32 expert, I can't browse esp32.local in my web brow...