> Markdown for /glossary/zcts. Visit the full page for interactive content.

[Back to glossary](/glossary)

# ZCTS (Zero-Click Threat Score)

A 0–100 metric estimating how severely AI Overviews reduce click-through rate for a specific keyword. Factors include AI Overview presence, completeness, fea...

A 0–100 metric estimating how severely AI Overviews reduce click-through rate for a specific keyword. Factors include AI Overview presence, completeness, featured snippets, People Also Ask boxes, knowledge panels, and search demand. ≥80 Critical, 60–79 High, 40–59 Medium, <40 Low.

**Example:** The keyword 'what is CRM' has a ZCTS of 85 (Critical) — Google's AI Overview fully answers the query with a definition, reducing click-through to organic results by an estimated 70%.


---
*Content served via ServeMD for LLM consumption*