In this B2B Digital Marketing Hub episode, we break down everything you need to know about CLS, or Cumulative Layout Shift. CLS measures visual stability and has been a ranking factor since 2021 as part of Google’s Core Web Vitals. We’ll explain what CLS is, why it matters for user experience, and how it impacts your website's SEO performance.

We’ll also explore common causes of high CLS values, such as improperly defined image dimensions, dynamic content, and external ads. Understanding these factors is key to identifying and resolving CLS issues.

Finally, we’ll share practical tips for optimizing CLS, from using the CSS Aspect Ratio feature to pre-defining dynamic content. Whether you're a web developer or an SEO professional, this episode provides actionable insights to improve your site's performance.

Chapters:

(00:00) Intro to What is CLS and what does it stand for?

(01:24) What causes a high CLS value?

(01:59) How can we pre-define image dimensions in a responsive web design?

(02:51) What else can be done to improve CLS scores?

(03:49) Outro on Cumulative Layout Shift