Monitoring basics
TCP monitoring explained
Monitor a public TCP service by host and port, understand connection failures and know what an open port does not prove.
Read article →WebCheck help centre
Monitoring help and guidance
Practical guides for understanding checks, diagnosing warnings, confirming incidents and sharing service status with your customers.
All guidesShowing 31–45 of 45 guides
Troubleshooting
Why a website returns 403 to WebCheck
Diagnose forbidden responses caused by WAF rules, bot protection, access controls and edge challenges.
Read article →Troubleshooting
Why a website returns 401 to WebCheck
Understand authentication-required responses and choose a suitable public target without exposing credentials.
Read article →Troubleshooting
Why a website returns 429 to WebCheck
Diagnose rate limiting from your application, CDN or WAF and reduce false outage signals safely.
Read article →Troubleshooting
Diagnosing 500, 502, 503 and 504 errors
Use WebCheck evidence to distinguish application errors, bad gateways, maintenance responses and upstream timeouts.
Read article →Notifications
Using webhooks with WebCheck
Configure a WebCheck webhook, understand its JSON payload and verify optional HMAC signing safely.
Read article →Product guidance
WebCheck plans and monitoring limits
Understand the current WebCheck site, target, interval, history and notification limits and why they affect monitoring setup.
Read article →DNS monitoring
Why DNS results differ from your computer
Understand resolver caching, address-family differences and how to compare WebCheck DNS evidence with a local lookup.
Read article →Notifications
How WebCheck notification retries work
See what WebCheck retries after an alert delivery fails and what to check when a notification does not arrive.
Read article →Notifications
Why WebCheck alerts may be delayed
Learn how incident confirmation, the site notification delay and background delivery affect alert timing.
Read article →Incidents
How to investigate a WebCheck incident
Use the incident diagnosis, timeline and related check runs to find the cause and confirm recovery.
Read article →Public status pages
Status page versus status widget
Choose between a full customer-facing status page and a compact widget embedded on your website.
Read article →Public widgets
Understanding WebCheck widget privacy
Know what a public widget shares, what it keeps private and how to revoke an exposed embed token.
Read article →Public status pages
Why a public status page shows degraded or unavailable
Understand component states, page-level status, maintenance mode and the last-checked timestamp.
Read article →Product guidance
WebCheck versus basic uptime monitoring
Compare the questions simple availability checks and WebCheck’s additional monitoring signals can answer.
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