# CLS (Cumulative Layout Shift)

URL: https://idukki.io/glossary/cls
Category: Metrics
Pronunciation: C-L-S

The score for unintended layout shifts after initial render. Google's Good threshold is 0.1. Widgets that inject gallery content without reserving the right vertical space tank CLS catastrophically.

## Related terms

- [CWV (Core Web Vitals)](https://idukki.io/glossary/core-web-vitals)
- [LCP (Largest Contentful Paint)](https://idukki.io/glossary/lcp)
- [INP (Interaction to Next Paint)](https://idukki.io/glossary/inp)