Rick Roll (Different link + no ads)

Rick Roll (Different link + no ads) is a business whose own site puts it this way: "CS50 Video Player Shortcuts Snacks CS50.ai Shortcuts Before using a shortcut, click at least once on the video itself (to give it focus) after closing this window." To AI engines like ChatGPT and Perplexity it is close to invisible, scoring 0.9 out of 10.

The page falls short on the technical files AI engines look for, such as llms.txt or an open robots.txt, structured data describing the business, a heading structure that lays out what it offers, a clearly stated business identity, credibility markers like credentials or reviews and sitemaps and entity links AI can follow.

Off the page, almost no other sites link to it, the domain does not yet read as established, AI engines do not yet recognise it as a distinct business, there is no press coverage to draw on, nobody is discussing it where AI engines look and it does not come up on Reddit. Those are earned elsewhere on the web, not fixed on the site itself.

There is not much on the page to read either, about 78 words. The site links to no social profiles, so there is nothing tying the brand to a wider presence.