.io: top sites without passkeys
Officially .io is the country code of British Indian Ocean Territory, but in practice it's registered worldwide — mostly by tech companies, developer tools and open-source projects — so these sites aren't tied to any one country. This special-interest report lists the most popular .io sites, and whether they support passkey sign-in.
49 of the top 50
On .io — that's 98% of the most popular sites with a login but no passkey support.
| # | Website | Passkeys |
|---|---|---|
| 100 | sentry.io | PasskeysMFA only |
| 242 | oxylabs.io | No passkeysSupports passkeys? Fix it ↗ |
| 842 | itch.io | No passkeysSupports passkeys? Fix it ↗ |
| 946 | agora.io | No passkeysSupports passkeys? Fix it ↗ |
| 1,145 | pendo.io | No passkeysSupports passkeys? Fix it ↗ |
| 1,234 | split.io | No passkeysSupports passkeys? Fix it ↗ |
| 1,400 | cardgames.io | No passkeysSupports passkeys? Fix it ↗ |
| 1,468 | ssstik.io | No passkeysSupports passkeys? Fix it ↗ |
| 1,688 | indown.io | No passkeysSupports passkeys? Fix it ↗ |
| 2,179 | metamask.io | No passkeysSupports passkeys? Fix it ↗ |
| 2,361 | customer.io | No passkeysSupports passkeys? Fix it ↗ |
| 2,476 | shodan.io | No passkeysSupports passkeys? Fix it ↗ |
| 2,522 | home-assistant.io | No passkeysSupports passkeys? Fix it ↗ |
| 2,731 | trustindex.io | No passkeysSupports passkeys? Fix it ↗ |
| 2,994 | redis.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,092 | grass.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,115 | merkle.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,148 | shopee.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,163 | nip.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,207 | eqtv.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,208 | guard.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,238 | viasat.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,243 | snapcraft.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,247 | siteimproveanalytics.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,277 | sjv.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,302 | gitbook.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,331 | logitech.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,812 | codepen.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,841 | plausible.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,892 | elevenlabs.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,896 | clarium.io | No passkeysSupports passkeys? Fix it ↗ |
| 3,997 | netbird.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,030 | lunalabs.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,036 | complianz.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,094 | n8n.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,214 | growthbook.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,270 | termly.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,344 | sanity.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,440 | ably.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,502 | vwapps.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,539 | kandji.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,542 | jumpjump.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,586 | greenhouse.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,675 | zetaglobal.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,721 | gohugo.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,799 | edgetcdn.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,937 | opensea.io | No passkeysSupports passkeys? Fix it ↗ |
| 4,939 | ghcr.io | No passkeysSupports passkeys? Fix it ↗ |
| 5,002 | karte.io | No passkeysSupports passkeys? Fix it ↗ |
| 5,039 | etherscan.io | No passkeysSupports passkeys? Fix it ↗ |