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metrics enables webmasters to align technical optimizations with actual ranking signals rather than assumptions or outdated practices.
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★★ Why are your Lighthouse mobile scores consistently lower than desktop?
Mobile Lighthouse scores are generally lower than desktop because mobile processors are less powerful and the connection is often slower. Mobile represents the smallest common denominator; it is more ...
Martin Splitt Jun 17, 2020
★★★ Should you really prioritize critical content server-side before metadata in SSR?
For a client/server hybrid rendering, prioritize Server-Side Rendering of critical content (title, meta description, canonical, main content) over secondary elements. The main content should always be...
Martin Splitt Jun 17, 2020
★★★ Is your lazy loading preventing Google from detecting your images?
If lazy loading shows placeholder URLs in the rendered HTML instead of the real image URLs, Google will only see the placeholders. This indicates an incorrect lazy loading implementation that needs to...
Martin Splitt Jun 17, 2020
★★ Can you really rely on Google's cache: to diagnose an SEO issue?
Google's cache: feature in Search is not a testing tool and should not be used to diagnose SEO issues. If the rendering appears incorrect, it means nothing. Official testing tools like Search Console ...
Martin Splitt Jun 17, 2020
★★★ Are Core Web Vitals truly a ranking factor or just smoke and mirrors?
In June 2020, Core Web Vitals are not yet a ranking factor. Google announced that it would give approximately six months' notice before using them. The position changes observed at the announcement da...
John Mueller Jun 12, 2020
★★★ Is Google really testing the AMP version for Core Web Vitals even if the mobile version is indexed?
For evaluating Core Web Vitals and the page experience score, Google tests the version that users actually see. If a site has an AMP version, it is the AMP version that will be tested for speed and us...
John Mueller Jun 12, 2020
★★★ Core Web Vitals: Why do your laboratory tests fail to impact your ranking?
Google uses field data from the Chrome User Experience Report for ranking, not laboratory data. Testing tools (extension, PageSpeed Insights in lab mode) are useful for testing and seeing the immediat...
John Mueller Jun 12, 2020
★★★ Are Core Web Vitals truly crucial for Google ranking?
The importance of signals like speed (Core Web Vitals) varies depending on the query. For a clear navigational search (e.g., 'SEO Roundtable'), Google will not favor a faster but less relevant site. I...
John Mueller Jun 12, 2020
★★ Does Google really estimate the Core Web Vitals of low-traffic sites?
For sites lacking sufficient traffic in the Chrome User Experience Report, Google cannot display Core Web Vitals data in Search Console. However, the site will not be excluded from search results: Goo...
John Mueller Jun 12, 2020
★★★ Should you really hide user comments from Google?
User comments visible in the rendered HTML do not need to be hidden from Google. Google is capable of identifying user-generated content, and it neither benefits nor harms SEO. Trying to hide them may...
Martin Splitt Jun 11, 2020
★★★ Should you really limit the number of HTTP resources per page for SEO?
Google does not impose a strict limit on the number of HTTP resources per page. Fewer resources are generally better to reduce the risks of loading failures, but you must be reasonable: putting everyt...
Martin Splitt Jun 11, 2020
★★★ Why doesn't Google canonicalize URLs with fragments in sitelinks and rich results?
Google normally canonicalizes URLs with fragments (#) in standard search results, but not in sitelinks or rich results (like FAQs). In these cases, the URL with the fragment is recorded as it is in th...
Anonyme (金谷武明) Jun 04, 2020
★★★ Are Core Web Vitals Really Going to Transform Your SEO Strategy?
Google has announced new ranking signals related to user experience (Core Web Vitals), but they won't launch until the end of 2020. Webmasters must first focus on their current priorities, particularl...
Anonyme (金谷武明) Jun 04, 2020
★★★ Are mobile and desktop accordions really neutral for SEO?
Google recognizes and correctly indexes hidden content in accordions, whether on mobile or desktop. With Mobile-First Indexing, hidden content on desktop has no impact on indexing because Google mainl...
Anonyme (金谷武明) Jun 04, 2020
★★★ Does temporary removal in Search Console really block PageRank?
Temporary removal in Search Console only hides the page from search results, without altering its indexing. Google continues to crawl, index, and pass PageRank through the links on this page. The remo...
John Mueller May 29, 2020
★★★ Does Google really ignore Cache-Control headers for crawling?
Google generally ignores Cache-Control headers because many resources are under-cached. To force re-downloads, it's better to use versioned URLs with hash (e.g., app.abc123.js) rather than relying on ...
Martin Splitt May 27, 2020
★★★ Should you stop using Google Cache to diagnose your indexing problems?
Google Cache is a fallback feature when a site is offline, created long ago and not actively maintained. It sometimes displays the original HTML, sometimes the rendering, and sometimes an old version....
Martin Splitt May 27, 2020
★★ Should you really split your JavaScript bundles by site section for better SEO?
Rather than using a single massive JavaScript bundle, it's advised to split the bundles according to the logical sections of the site (blog, forum, shop) to avoid downloading unnecessary code and to i...
Martin Splitt May 27, 2020
★★★ Can Google really ignore part of your site without warning?
Google does not guarantee that it will crawl and index all pages of a site, nor the speed at which this will happen. Indexing does not mean that the page will be visible or useful in the results. Focu...
Martin Splitt May 27, 2020
★★★ Are Core Web Vitals really a full-fledged ranking factor?
Google has launched Core Web Vitals, a set of performance metrics including LCP (Largest Contentful Paint), FID (First Input Delay), and CLS (Cumulative Layout Shift), which will be incorporated into ...
John Mueller May 26, 2020
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