SiteVitals vs Sentinel: Which Website Monitoring Tool Is Right for Your Agency?

If you manage websites for clients, you've likely found yourself comparing monitoring tools. Sentinel, a new uptime monitoring product from rootstuff, launched in February 2026 and positions itself squarely at agencies and freelancers. It's a clean, well-built tool &mdash; and a fair question to ask is: how does it compare to SiteVitals?