Roadmap

Monitor the path that makes the money, not just the page

Nobody goes out of business because a site was down for an hour. They go out of business because the checkout quietly stopped taking payments three weeks ago, because the contact form has been sending into a void since a plugin update, or because a noindex shipped to production and the traffic drained away. The idea: walk the whole path a customer walks (product page, add to cart, checkout, payment confirmation), plus the path that brings them in (indexability, redirects, sitemap), and shout when it stops earning rather than when it stops answering. Upvote if this would matter to you, and say which path you would point it at first.