Uptime monitoring, status pages and reliability — practical guides.
A site won't load and you're not sure if it's really down or just your connection. Here's how to find out in under a minute — and how to stop being the last to know.
Read more →From a one-click checker to ping, curl and DNS lookups — six reliable ways to confirm whether a website is really down, and which method to reach for when.
Read more →A 500, 502, 503 or 504 error means the server answered — but something went wrong. Here's what each code actually means and how to fix it.
Read more →Uptime is sold in "nines," but 99.9% still allows about 43 minutes of downtime every month. Here is what each nine really means and how to measure yours.
Read more →How fast should your server respond? Realistic benchmarks for TTFB and full-page response, what slows them down, and how to track regressions.
Read more →A status page only builds trust if it is honest, fast, and useful during an incident. Here is what to include — and what to avoid.
Read more →What uptime monitoring is, how it works, the check types that matter, and how to set it up so you hear about outages before your customers do.
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