Blog
Practical guides on uptime monitoring, SSL certificates, outage response, and reliability.
uptime monitoring
What Is a Heartbeat Monitor?
Some failures don't make noise. A cron job stops running, your site stays up, and nobody notices until the backup is gone. A heartbeat monitor is how you catch those.
integrations
How to Secure Your ServerVisor Webhooks with a Signing Secret
Without a signing secret, anyone who finds your webhook URL can send fake payloads to it. Here is how to set one up and verify every delivery before your code acts on it.
servervisor
Node Insights: Server Inventory, Stack Versions, and Hardware Health
Uptime checks tell you whether a URL responds. Node Insights tells you what is happening inside the server. Here is how it works and what you can do with it.
integrations
Setting Up Webhook Notifications in ServerVisor
ServerVisor can POST a JSON payload to any HTTPS endpoint the moment a monitor goes down, recovers, or a certificate is about to expire. Here is what you get and what you can build with it.
developer guides
How to Verify a Domain for ServerVisor
Step-by-step instructions for adding a DNS TXT record to verify domain ownership with ServerVisor — including Cloudflare, GoDaddy, Namecheap, Route 53, and more.
ssl monitoring
How to Monitor SSL Certificate Expiration
Learn how to monitor SSL certificate expiration with OpenSSL, curl, and external alerts.
reliability
Website Downtime Checklist (Quick Diagnosis Guide)
A step-by-step triage checklist for diagnosing website downtime. Confirm what's broken and isolate the layer before you start making changes.
Monitoring
How to Monitor Domain Expiration (and Avoid Downtime)
Learn how to monitor domain expiration, why domains expire silently, and how to avoid preventable downtime.
ssl monitoring
What Happens When an SSL Certificate Expires?
An expired SSL certificate can trigger browser warnings, break trust, block transactions, and make a healthy site appear unsafe or unusable.