Core Web Vitals: The CLS Indicator
Posted: Tue Dec 03, 2024 9:13 am
Google Page Experience and its update expected in June 2021 have shaken the world of SEO. Google's algorithm and the deployment of its update were scheduled for May 2021. Delayed in June and observed by all webmasters and SEOs until the end of August 2021, we do not have enough perspective to measure the real impact of this update. Based on the UX experience, this CLS indicator is now relevant. What is it specifically? How can CLS or Cumulative Layout Shift be simply defined ? What impact does it have on SEO? And how can you get a good score to prioritize the user experience that is now dear to Google?
CLS, operating principle and definition
Bad CLS score, what are the main causes?
How to optimize the CLS of a web page?
How to Check the Performance of a Web Page's Vital Web Signals
Core Web Vitals, what impact on SEO in 2021?
Why does Google prioritize user experience?
CLS, operating principle and definition
CLS is one of the 3 metrics that make up the essential web signals. Called in the jargon of SEO consultants or developers " Core Web Vitals ", there are three of them: CLS , LCP and FID . They were defined and implemented by Google in May 2020. In this article, the indicator of all our attention is the CLS or Cumulative Layout Shift. albania phone number library The CLS makes it possible to evaluate the display of a web page and to quantify the quality of the user experience on a website. This performance factor evaluates the stability and frequency of visual display of a web page.
Cumulative Layout Shift or CLS: definition
CLS is a Google performance indicator on the display quality of a page. More precisely, it measures interactions, their frequency of movement recorded when an Internet user visits a web page. This indicator was created to measure the quality of the user experience . It allows to measure the instability or visual stability of a web page. Each change of position is measured. The total CLS of the page is the set of measurements recorded on a page during the connection. A CLS score must be less than 0.1 to be considered good by Google.
Visual instability: how Cumulative Layout Shift (CLS) works
Instability during loading is painful and harmful to a page . To obtain a CLS score of 0.1, your page must not have any untimely movements. The layout expected by the Internet user must correspond to their expectations and must be perfect. To better understand how this new indicator works, it is necessary to understand its operation and its calculation basis. The CLS works by correlating two measures: the impact proportion and the distance proportion . The algorithms are based on data and mathematical postulates. The CLS is therefore a numerical value. CLS value = impact proportion x distance proportion.
Bad CLS score, what are the main causes?
When your URL is crawled by Googlebot , it automatically detects the CLS score of your page. Less than or equal to 0.1, your score is considered good . Between 0.1 and 0.25, your score needs improvement. Above 0.25, your score is considered bad. According to Google webmasters, several factors influence the CLS score of a page. Here are the main ones:
CLS, operating principle and definition
Bad CLS score, what are the main causes?
How to optimize the CLS of a web page?
How to Check the Performance of a Web Page's Vital Web Signals
Core Web Vitals, what impact on SEO in 2021?
Why does Google prioritize user experience?
CLS, operating principle and definition
CLS is one of the 3 metrics that make up the essential web signals. Called in the jargon of SEO consultants or developers " Core Web Vitals ", there are three of them: CLS , LCP and FID . They were defined and implemented by Google in May 2020. In this article, the indicator of all our attention is the CLS or Cumulative Layout Shift. albania phone number library The CLS makes it possible to evaluate the display of a web page and to quantify the quality of the user experience on a website. This performance factor evaluates the stability and frequency of visual display of a web page.
Cumulative Layout Shift or CLS: definition
CLS is a Google performance indicator on the display quality of a page. More precisely, it measures interactions, their frequency of movement recorded when an Internet user visits a web page. This indicator was created to measure the quality of the user experience . It allows to measure the instability or visual stability of a web page. Each change of position is measured. The total CLS of the page is the set of measurements recorded on a page during the connection. A CLS score must be less than 0.1 to be considered good by Google.
Visual instability: how Cumulative Layout Shift (CLS) works
Instability during loading is painful and harmful to a page . To obtain a CLS score of 0.1, your page must not have any untimely movements. The layout expected by the Internet user must correspond to their expectations and must be perfect. To better understand how this new indicator works, it is necessary to understand its operation and its calculation basis. The CLS works by correlating two measures: the impact proportion and the distance proportion . The algorithms are based on data and mathematical postulates. The CLS is therefore a numerical value. CLS value = impact proportion x distance proportion.
Bad CLS score, what are the main causes?
When your URL is crawled by Googlebot , it automatically detects the CLS score of your page. Less than or equal to 0.1, your score is considered good . Between 0.1 and 0.25, your score needs improvement. Above 0.25, your score is considered bad. According to Google webmasters, several factors influence the CLS score of a page. Here are the main ones: