Metrics question

What would you do if, all of a sudden, our web traffic dropped by 100%?

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What this question tests

Incident response and root cause thinking under a severe, sudden metric failure.

How to approach it

  1. Immediate step: verify the drop is real, not a tracking or analytics reporting bug, by checking a second independent data source.
  2. Check for an outage: confirm whether the site or app is actually down or returning errors for real users.
  3. Check recent changes: correlate the drop's exact timing with a recent deploy, DNS change, or third-party dependency failure.
  4. Check external factors: a blocked domain, a broken redirect, or a search engine deindexing event could cause a sudden 100 percent drop.
  5. Escalate immediately to engineering and infrastructure teams given the severity, this is an incident, not a routine investigation.
  6. Communicate status to stakeholders with a clear timeline for updates, then do a postmortem once resolved to prevent recurrence.

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