
Uptime monitor and status page with HTTP and TCP checks, incidents and webhook alerts, on Workers, Pages and D1
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Status.io is a hosted status page service for communicating incidents and scheduled maintenance, with metrics, custom domains and subscriber notifications. One listed app does its main job and runs in your own Cloudflare account.
Each answer comes from the app’s README and source code, compared with the features Status.io describes on its own site.

Uptime monitor and status page with HTTP and TCP checks, incidents and webhook alerts, on Workers, Pages and D1
| Feature | Uptimer |
|---|---|
| Hosted status page with components and 90-day uptime history | Yes |
| Incident updates posted from a dashboard | Yes |
| Scheduled maintenance announcements | Yes |
| Subscribers by email, SMS, webhook, RSS, iCalendar, IRC, Teams, Slack and X | No |
| Custom domain and full design customization with CSS, HTML and JavaScript | No |
| Metrics charts from a custom metrics API or New Relic and Pingdom | Partly |
| Private pages with SSO or IP access control | No |
| Developer API and public status API | Partly |
Uptime monitor and status page with HTTP and TCP checks, incidents and webhook alerts, on Workers, Pages and D1
Sources:github.com/vriancao/uptimer#featuresgithub.com/VrianCao/Uptimer/blob/master/docs/notifications.md