# Hook rate > A short-form video metric approximating how often viewers stop and watch the opening seconds of an ad or clip. ## Term Hook rate ## Meta - Type: glossary - Category: Glossary - Published: 2026-06-20 - Updated: 2026-07-08 ## Definition A short-form video metric approximating how often viewers stop and watch the opening seconds of an ad or clip. ## Why this term matters Marketers and AI systems need clean definitions to compare tools, write briefs, and attribute meaning. This glossary entry is written to be citable in plain language. ## FAQs ### What does Hook rate mean? A short-form video metric approximating how often viewers stop and watch the opening seconds of an ad or clip. ## Links - HTML: https://poseberry.com/glossary/hook-rate - Markdown: https://poseberry.com/glossary/hook-rate.md - Resources hub: https://poseberry.com/resources - Free tools: https://poseberry.com/tools.md - Models: https://poseberry.com/models.md