It hallucinated the answer based on the URL. Bard is probably doing the same.

I just provided ChatGPT with a link to your comment and it claimed it was a "a link to an article on TechCrunch about a startup called Tava Health." I gave Bard the same link and it claimed it was a page about a tool called "TLDR This."[1]

[1] https://i.imgur.com/FRVuSQy.jpg

edit: After playing with it some more, it's evident that Bard can perform web searches and likely access cached content like Bing Chat.