Full transparency, I also really like nostr:nprofile1qqszpxr0hql8whvk6xyv5hya7yxwd4snur4hu4mg5rctz2ehekkzrvc64twc2 and jumble.social, the latter of which wouldn't be so easy on mobile for me without a browser extension signer like nostr:nprofile1qqsth7fr42fyvpjl3rzqclvm7cwves8l8l8lqedgevhlfnamvgyg78sdv7ysa
Usually use them for additional uses/layout preferences for some things or to see if the keyword searches turn up something better.