Plain explanations of monitoring, certificates, DNS, status pages and SLOs — the concepts, the mistakes, and what to check. Product mentions kept to one line at the end.
Synthetic monitoring sends scripted requests from outside on a schedule; real-user monitoring measures actual visitors. Here is what each catches, what each misses, and why you want both.
Read Sep 4, 2026 · 7 minCertificates expire on a schedule everyone knows about, and outages from expiry keep happening anyway. The five ways renewal quietly fails, and the monitoring that catches each one.
Read Sep 4, 2026 · 8 minThe three DNS records that stop other people sending mail as your domain, what a correct one looks like, the mistakes that silently break them, and how to check them for free.
Read Sep 4, 2026 · 5 minEvery 10 seconds sounds better than every 5 minutes, but the right interval depends on what you promise, what a check costs the target, and how you handle a single failure. A practical way to choose.
Read Sep 4, 2026 · 6 minA status page is a promise to tell the truth quickly. What belongs on it, how to name components, why manual updates go stale, and what makes customers trust the page instead of checking Twitter.
Read Sep 4, 2026 · 7 minMonitors that live in version control are reviewable and reproducible. MCP takes the next step: an assistant that can read incidents, propose monitors and open a pull request — inside the permissions you give it.
ReadTen monitors, one region and a status page are free forever — no card, no sales call.