I looked in the URL bar and saw this: https://www.quora.com/Why-do-I-see-numbers-and-not-contacts-names-In-WhatsApp#:~:text=If%20your%20contacts'%20numbers%20are,Go%20to%20Account%20%3E%20WhatsApp.
Note the #:~:text= part. If you use it with Chrome on any other website you can highlight any text:
https://www.ycombinator.com/#:~:text=Y%20Combinator
http://paulgraham.com/useful.html#:~:text=useful
I can’t find any documentation on this feature. Google appears to append it to the anchor when you click on a search result in Chrome.