Help: Tool A says my site is fine, Tool B says it's critical. Who to trust?

Just had a wild night wrestling with two SEO monitoring tools giving me completely opposite health checks. It's like getting a "200 OK" from one probe and a cascade of critical alerts from another 😅

Tool A's dashboard is all green, showing perfect crawlability and no critical issues. Meanwhile, Tool B is screaming about missing meta tags, crawl errors, and "critical" on-page SEO problems that need immediate fix. My site seems to be running fine, traffic is stable, but now I'm second-guessing everything.

This feels familiar from my observability world. When Prometheus and Datadog disagree on a service health check, I have a process:

* **Check the sampling rate and crawl depth:** Is Tool B doing a deeper, more frequent crawl? Like comparing 15-second scrape intervals to 1-minute ones.
* **Audit the rule sets:** What exactly is each tool flagging as "critical"? Are they using the same thresholds? It's like comparing two different alerting rules for high error rates.
* **Look for a "source of truth":** Can I manually verify a few of the alleged critical issues? Quick curl checks or looking at actual server logs?

Has anyone else hit this? I'm especially curious about:
- Which tool tends to be more "conservative" or noisy?
- Is there a way to calibrate them, like tuning alert thresholds?
- Should I just run a third tool as a tie-breaker?

My gut says to trust the tool that provides more granular, queryable data—the one that lets me drill down into the *why*, not just the red/green status.