Sentinel vs Pingdom: Features, Free Plans & Pricing Compared
Choosing a website monitoring tool usually comes down to one question: how much visibility do you need, and how much are you willing to pay for it? Sentinel vs Pingdom is a comparison between two very different approaches to that question. Sentinel is a newer monitoring platform built around a genuinely free entry tier covering […]
Sentinel vs StatusCake: Features, Free Plans & Pricing Compared
Choosing between Sentinel and StatusCake usually comes down to one question: do you need a lightweight, no-cost way to watch a handful of endpoints, or a more mature monitoring platform with status pages, incident tooling and higher monitor counts once you’re willing to pay? Sentinel is a newer uptime, SSL, DNS, domain expiry and heartbeat […]
Sentinel vs Better Stack: Features, Free Plans & Pricing Compared
Choosing a monitoring tool usually comes down to a trade-off between simplicity and depth. Sentinel vs Better Stack is a comparison that captures this well: Sentinel is a lean uptime, SSL, DNS, domain and heartbeat monitor with a genuinely free tier, while Better Stack is a broader observability platform that layers uptime monitoring on top […]
Sentinel vs UptimeRobot: Features, Free Plans & Pricing Compared
Choosing between Sentinel vs UptimeRobot usually comes down to one question: do you want a lot of monitors on a free plan, or a broader mix of monitoring types on a smaller allowance? Sentinel is a newer uptime, SSL, DNS, domain-expiry and heartbeat monitoring platform from Elbah Group, built around a simple free tier that […]
The Urgent Truth About SSL Certificate Expiry

The rules around SSL certificate expiry changed on March 15th, and while it might sound like a small technical update, it has big implications for anyone running a website.
Everything you need to know about what happens when a domain expires

What happens when a domain expires—and why it matters. Avoid losing clients, revenue, and reputation with automated domain monitoring.
What does reliable uptime mean for your business

Uptime. You’ve probably seen those percentages scattered all over hosting and SaaS websites – 99%, 99.9%, 99.99% – and glazed straight over them. Fair enough. At first glance, the difference looks almost too small to matter.