What does Google say about SEO? /
Web performance has become an official ranking factor in Google's algorithm, particularly since the introduction of Core Web Vitals in 2020. This category compiles all official Google statements regarding loading speed optimization, performance metrics, and their impact on organic search rankings. SEO professionals will find Google's positions on key indicators such as Largest Contentful Paint (LCP), Cumulative Layout Shift (CLS), First Input Delay (FID), and Interaction to Next Paint (INP). Google regularly communicates about the importance of loading times, Time to First Byte (TTFB), cache optimization, and techniques like lazy loading. These official declarations help understand how Google truly measures user experience, which performance thresholds to prioritize, and how PageSpeed Insights integrates into a site's overall evaluation. For search practitioners, following Google's official recommendations on web performance is crucial to maintain or improve search rankings while delivering an optimal user experience that enhances conversion rates and visitor retention. Understanding Google's evolving stance on speed metrics enables webmasters to align technical optimizations with actual ranking signals rather than assumptions or outdated practices.
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★★ Does server-side rendering really boost your SEO performance?
Server-side or static rendered content (at build time) is highly beneficial for first paint, Largest Contentful Paint, and load time. These hybrid approaches enhance performance measured by Google....
Martin Splitt Dec 15, 2021
★★★ Why are Core Web Vitals Critical Beyond Just Technical Aspects?
Core Web Vitals (LCP, CLS, and FID) measure not just technical metrics but also elements that are statistically correlated with user engagement. Optimizing these metrics improves both rankings and vis...
Martin Splitt Dec 15, 2021
★★★ How does the Chrome User Experience Report really impact your Core Web Vitals?
The Chrome User Experience data used for Core Web Vitals is not restricted to users coming from Google Search. It comes from all Chrome users who have enabled usage statistics sharing, regardless of t...
John Mueller Dec 10, 2021
★★ Do URL parameters on images really hinder SEO?
Adding query parameters to image URLs (for cache invalidation, for instance) does not have a negative effect on SEO. However, frequently changing image URLs slows down their reindexing because Google ...
John Mueller Dec 10, 2021
★★★ Is Page Speed Really a Decisive SEO Ranking Factor?
John Mueller reminded us during a hangout with webmasters that if your website experiences large variations in its rankings or SEO traffic, this cannot in any way be attributed to a page load time iss...
John Mueller Dec 06, 2021
★★★ Should you be concerned about the Page Experience update's impact?
The Page Experience update is generally subtle and should not cause massive drops or spikes in traffic. A 50% decrease in traffic cannot be solely attributed to speed or the Core Web Vitals, and likel...
John Mueller Nov 26, 2021
★★ What causes your Core Web Vitals to disappear from Search Console?
Search Console displays Core Web Vitals data only when there is sufficient user data for a group of pages. If the number of good pages decreases without an increase in bad pages, it simply means a tem...
John Mueller Nov 26, 2021
★★ Should you worry about the impact of lazy loading on image alt attributes?
When Google renders a page, it loads the page in a very high viewport which typically triggers lazy loading and allows the alt attribute associated with the right images to be captured. Having the alt...
John Mueller Nov 26, 2021
★★★ Why are real user data crucial for your SEO success?
For ranking purposes, Google uses field data that reflects what real users have experienced, rather than laboratory tests from PageSpeed Insights or Lighthouse. Real user data comes from Search Consol...
John Mueller Nov 20, 2021
★★ Does Google really factor AMP pages into your crawl budget?
Google takes into account all crawling done by Googlebot, including AMP pages and the updates of AMP cache. A site's crawl budget encompasses both regular and AMP pages hosted on the same server....
John Mueller Nov 20, 2021
★★★ Is site speed really crucial for SEO rankings?
Core Web Vitals and page experience are ranking factors, but they are not the most important ones. It is recommended to prioritize critical site elements before optimizing speed....
John Mueller Nov 20, 2021
★★★ How are Core Web Vitals reshaping your desktop SEO strategy?
The Core Web Vitals ranking signal, which already included mobile results, will be extended to desktop search results starting February 2022. This includes speed, responsiveness, HTTPS, and intrusive ...
John Mueller Nov 17, 2021
★★★ Are Core Web Vitals Truly Decisive for SEO?
While Core Web Vitals is a real ranking factor and more than just a tiebreaker, it is not the main or most critical factor. Content relevance remains essential. Having a fantastic website is much more...
John Mueller Nov 17, 2021
★★★ How do Core Web Vitals truly reflect real user experience?
Core Web Vitals metrics are based on what actual users experience, rather than laboratory tests. This allows for an evaluation of the real experience users have on web pages....
John Mueller Nov 17, 2021
★★ Why doesn't Google automatically hide Chrome extension pages on mobile?
Google does not have an algorithm that would automatically hide all Chrome extension pages from mobile search results, even if these extensions do not function on mobile. It's easy to verify this by s...
John Mueller Nov 12, 2021
★★ Does Google Really Accept 301s with No-Cache Cache-Control Headers?
Google accepts 301 redirects with no-cache cache-control headers. If it's a 301, it is treated as such, regardless of additional cache headers. Google's crawling system works differently from browsers...
John Mueller Nov 07, 2021
★★★ Why do core updates prioritize the overall quality of websites?
Core updates primarily concern the relevance and overall quality of a site, not technical issues or spam. Spammy links generally do not affect performance during a core update. Significant changes oft...
John Mueller Nov 07, 2021
★★★ How important is field data for Core Web Vitals?
Core Web Vitals depend on field data collected through mobile Chrome. Without sufficient data, Search Console displays nothing, and Google cannot use these metrics for ranking. Zero good URLs typicall...
John Mueller Oct 30, 2021
★★★ How does Google determine your daily crawl rate and what does it mean for your SEO?
The crawl rate is re-evaluated daily by Google. It depends on two factors: crawl demand (which remains stable over time) and server capacity (assessed each day). 5XX errors, server speed, and access i...
John Mueller Oct 23, 2021
★★★ How long does it really take for Core Web Vitals to impact your rankings?
The Core Web Vitals data used for ranking has about a 28-day delay. Therefore, any significant speed improvement takes about a month to affect search results. Visible changes earlier are not related t...
John Mueller Oct 23, 2021
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