Favicon on Microsoft Edge has issues, it loads some times but most of the times it shows a windows icon as below. jonathanr01 reported this issue in this post
v-qiuyu-msft
Community Support
8 years agoHi deepu299,
I'm not reproduce the issue on my side. Please check which Edge browser version do you run? Please try to update the Edge browser to the same version as ours then test again.
Best Regards,
Qiuyun Yu