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Why is CLS critical for your SEO strategy?
Cumulative Layout Shift (CLS) is one of the metrics that make up Page Experience, a ranking factor used by Google Search to evaluate the quality of user experience on web pages....
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Why is CLS essential for your site's visual stability and SEO success?
CLS measures the stability and predictability of a page by calculating the percentage of visible elements that undergo unexpected layout shifts during page loading or usage....
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How can you optimize your CLS score for better SEO results?
To achieve a good Page Experience score, 75% or more of a page's views must have a CLS of 0.1 or less. A score of 0 is ideal as it means that no layout shift occurs....
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Why does Google prioritize real user data for CLS?
Google Search exclusively utilizes field data sourced from real users through CrUX (Chrome User Experience Report) to evaluate CLS. Lab data is beneficial for development purposes but is not considere...
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Why does it take a month for CrUX data to stabilize in the Search Console?
After a page is published, it can take up to a month before CrUX starts collecting and providing real-world data on CLS in the Search Console....
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Why is specifying image dimensions crucial for technical SEO?
To prevent CLS issues, it is recommended to explicitly include width and height attributes on all images. Modern browsers use these values to calculate the aspect ratio and reserve the appropriate spa...
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How does reserving space for iframes boost your SEO?
Iframes and embeds (ads, videos, widgets) must have explicit heights and widths set on their parent element to reserve the necessary space and avoid layout shifts that impact CLS....
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How do empty ad spaces affect your site's SEO?
It is important to avoid completely removing the reserved space for an ad placement when no ad is returned, as this causes significant layout shifts that negatively impact the CLS score....
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How can preloading web fonts help reduce CLS?
To minimize the impact of web fonts on CLS, it is recommended to use link rel='preload' for essential fonts, placed as high as possible in the head of the page, allowing the browser to start downloadi...
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Should you really avoid 'font-display: swap' to lower your CLS score?
Using font-display: swap should be avoided as it tells the browser to display a fallback font first and then replace it with the web font regardless of loading time, which can cause significant shifts...
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How does 'font-display: optional' influence your SEO?
For non-essential web fonts, font-display: optional is recommended. This value tells the browser to abandon loading the font if it takes more than 3 seconds, thereby avoiding any subsequent layout shi...
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Why Should You Choose SVGs Over Icon Fonts for SEO?
It is recommended to use SVGs instead of icon fonts to avoid CLS problems. SVGs also offer better design capabilities, fewer issues in modern browsers, and improved accessibility....
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Do CSS animations really have no impact on your CLS score?
CSS animations and transformations do not affect the CLS score because when a transform property is used, the element is moved onto its own layer, floating above the rest of the content without affect...
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Is Page Experience really an essential SEO lever?
Page Experience is just one of the many signals used by Google Search in its ranking algorithm. There isn't really a passing or failing score; it's simply a number used to compare similar sites in ord...
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Why does each page have its own independent LCP score?
Every page on your website has its own LCP score. Your homepage may have a poor LCP while your product or article pages could achieve excellent results. No page impacts the performance of others conce...
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Why is aiming for a Largest Contentful Paint under 2.5 seconds crucial for SEO?
A good goal to aim for is to have your Largest Contentful Paint occur in less than 2.5 seconds for at least 75% of the sessions on your page. This is the threshold recommended by Google for a good use...
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Why are Google’s LCP scores derived from real users?
LCP results are generated and collected from people who are actually using your site. If you see that your page has an LCP of one second, that’s what your real users are experiencing when they visit y...
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How important is the LCP score from the Search Console for your SEO strategy?
The only LCP score that really matters is the one from the Page Experience report in the Search Console. This is exactly the same information that Google Search uses for ranking. Development measureme...
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Why should every SEO professional consider a CDN for optimizing LCP?
It is essential to use a CDN (Content Delivery Network). CDNs store copies of your content on servers that are closer to end users, reducing the distance and loading time of files, which decreases LCP...
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How can Service Workers help boost your LCP by 80%?
Using a Service Worker with a cache-first strategy is an excellent choice for loading sites instantly. An engineer from the Chrome team managed to reduce the LCP of his site's pages by nearly 80% usin...