Reduce Cumulative Layout Shift (CLS) for Optimal Visual Stability

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Cumulative Layout Shift (CLS) is an essential metric that measures the visual stability of a page while it loads. A low CLS indicates that elements on the page do not move unexpectedly, contributing to a more comfortable and intuitive user experience. To reduce CLS and improve visual stability, it is important to adopt some key practices in site development.

First, it is crucial to explicitly size images and videos. This prevents the elements from thailand phone number data changing size while the page is loading, thus reducing unexpected movements. It is also advisable to use fallback containers that hold space for media elements until they are fully loaded.

Another important aspect is to carefully manage ads, iframes and dynamic widgets. These elements can often cause layout shifts if not well managed. Ensuring that they have fixed or reserved dimensions can prevent unwanted shifts that negatively impact the CLS.

The use of CSS animations and transitions should be carefully considered. While they can enrich the user experience, it is essential that they do not cause unexpected movements of page elements. Animations should be fluid and not interfere with the user's ability to read or interact with the content.

Finally, it is essential to test the page on different devices and screen sizes. This helps identify and correct any layout issues that may not have been apparent during development. Tools like Chrome DevTools can be particularly useful for simulating different viewing conditions and identifying CLS issues.

By reducing the Cumulative Layout Shift, you improve not only the user experience but also the positioning in search engines. In fact, Google considers the CLS as an important factor in evaluating the quality of a web page. By implementing these strategies, you can ensure that the site is stable, reliable and pleasant to navigate, thus satisfying both users and search engines.