May 12, 2026 · 6 min
SSL certificate expiry monitoring: best practices for 2026
Why every modern engineering team needs automated certificate expiry monitoring — and how to design an alert cadence that actually gets acted on.
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Notes on monitoring SSL certificates and uptime.
Apr 28, 2026 · 5 min
Let's Encrypt 90-day vs 398-day certificates: trade-offs
Short-lived certificates improve security posture but increase the cost of operational mistakes. Here's how to think about which to use.
Read more →Apr 2, 2026 · 4 min
What happens when an SSL certificate expires?
Browsers show warnings, search rankings drop, payments fail, and APIs return errors. A breakdown of the cascade.
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