Paste your npub. This page checks, live from your browser, whether people can actually zap you: your Lightning address, NIP-05, relay list and profile images. In my survey of active posters, 4 in 10 had no Lightning address at all.
npub1gu4evakjhdj53wavwgv4265waw3ckvlltktssy2kceegle839ktqvqx7tu@npub.cash