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Notes from the monitoring trenches

Practical guides on uptime, SSL, security and operating a reliable web product.

Why monitoring SSL is just as important as monitoring uptime

An expired certificate has the same effect as downtime: customers cannot reach your site. Here is why SSL monitoring belongs in your uptime stack.

HSTS, CSP, X-Frame-Options, Referrer-Policy and Permissions-Policy in plain English, with safe defaults you can ship today.

Five concrete patterns that separate a useful status page from a glorified PR placeholder.

Uptime, SSL, DNS and security monitoring with real-time alerts and public status pages.

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