Scanner Rule
Cumulative Layout Shift (CLS)
What is this?
Measures how much the page visually jumps around as it loads. High CLS frustrates users and is a Core Web Vitals ranking factor. Pro reports your exact CLS score and what to reserve space for.
How Igris Radar detects it
The Igris Radar scanner automatically flags Cumulative Layout Shift (CLS) during its comprehensive audit of your web property. We simulate real-world crawlers and attack vectors to find issues before they impact your business.
Scan your site for this issue