Poor Cumulative Layout Shift
What this means
Measured CLS is between 0.1 and 0.25, past Google's "good" threshold of 0.1.
How to fix it
Set explicit dimensions on images, video and iframes, and avoid inserting banners above content that has already rendered.
Fix effort
This check needs a developer fix: it turns on a routing, hosting or infrastructure decision that no automatic edit can make safely.
Authoritative source
Find every page this affects
CrawlX runs this check — and 161 others — across your whole site, ranks the findings by estimated impact, and opens the fixable ones as pull requests. Free for 500 URLs.