You could try the brave browser as an alternative they don’t collect your data.
that’s strange! the first one is a link to the awful.systems thread at https://awful.systems/post/1347665 titled “The whole internet loves Kagi, a lovely paid search engine that can find things! 5 seconds later We regret to inform you the CEO is an unhinged narcissist who will harangue you in email” in case you’re able to locate it from that — it’s possible your Mastodon client may be trying to parse it as a mastodon thread link and doing the wrong thing with it. that thread links to this mastodon thread and this blog post which should have some good context on Kagi, in case you’re not able to view the awful.systems thread at all.
On that note, why not try serenity? Or urbit, while you’re at it. Careful, don’t get caught supporting these, use monero, putting the “cryptofascist” in “cryptocurrency”.