I agree we still get some complaints in this area… you did help us uncover this issue (which I just fixed)
https://github.com/discourse/discourse/commit/cb6d1632baebea11715e9c5c96fb84193ea72003
Keep in mind browser built in CTRL-F simply does not work “as expected” on very long topics… EG:
Go to: https://meta.discourse.org/t/babble-a-chat-plugin/31753/296
Search for: nascent (in topic and built-in) you will notice you can not find that “in-page” yet it appears in the topic.