Can't find favicon source in chrome

Question

I'm viewing this page and it has a favicon that I can't find the URL of in the source code or in the network requests tab when loading the page. How do I find this image?

Answer 1

http://molecularassembler.com/favicon.ico

Websites just need to have "favicon.ico" in their root, and modern browsers will automatically fetch this icon file.

Here is an article with many references: https://en.wikipedia.org/wiki/Favicon