I just doodle an icon for this personal website in this very interesting website. It is a combination my initials L and H. It is very easy to update your website icon by put the following HTML scripts between <head> and </head> tags in the default page (default.html) in the _layout folder.

link href="data:image/x-icon;base64,
AAABAAEAEBAQAAEABAAoAQAAFgAAACgAAAAQAAAAIAAAAAEABAAAA
AAAgAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAA/
4QAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAABEREREAAAAAEREREQAAAAARAAA
AAAAAABEAAAAAAAAAEQEQABEQAAARARAAERAAABEBEAAREAAAEQEQ
ABEQAAARARERERAAABEBEREREAAAEQEREREQAAARARAAERAAABEBE
AAREAAAEQEQABEQAAARARAAERAAABEBEAAREADAPwAAwD8AAM//AADP/
wAAyccAAMnHAADJxwAAyccAAMgHAADIBwAAyAcAAMnHAADJxwAAyccAA
MnHAADJxwAA" rel="icon" type="image/x-icon"/>

icon