What does Google say about SEO? /
The Mobile category consolidates all official Google statements regarding website optimization for mobile devices and their impact on organic search performance. Since the implementation of mobile-first indexing, Google systematically prioritizes the mobile version of websites for indexing and ranking in search results. This section compiles essential guidance on responsive design, smartphone loading speed optimization, viewport configuration, and technologies like AMP. SEO practitioners will find Google's official positions on major updates such as Mobilegeddon, which transformed ranking criteria by favoring mobile-friendly sites. Understanding these guidelines has become imperative: with over 60% of global web traffic originating from mobile devices, mobile user experience directly determines organic visibility. Google's declarations on adaptive design, common responsive implementation errors, and mobile-specific Core Web Vitals criteria constitute strategic resources for any SEO professional aiming to optimize SERP performance and deliver an exemplary mobile experience. This category serves as a comprehensive reference for navigating Google's evolving mobile requirements and ensuring websites meet the search engine's standards for smartphone accessibility, usability, and technical excellence.
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★★★ Is AMP Really a Google Ranking Factor for SEO?
John Mueller indicated on Twitter that AMP was not a relevance criterion for Google and that the fact that a page is available in this format does not factor into the search engine's algorithm calcula...
John Mueller Jan 30, 2017
★★★ How Quickly Can You Remove a Google Penalty for Intrusive Interstitials?
Regarding the mobile interstitial penalty launched in mid-January, John Mueller indicated that if a site was penalized in this way and corrected the issue, the penalty would be lifted at the next craw...
John Mueller Jan 30, 2017
★★★ Should You Modify Your Canonical Tags When Switching to Mobile First Index?
As long as Mobile First indexing is being tested by Google, there is no reason to change the "canonical" tags if you have a dedicated mobile site whose pages point to their desktop equivalents. John M...
John Mueller Jan 16, 2017
★★★ How Does Google Warn Webmasters About Mobile First Index Risks?
John Mueller indicated in a hangout that Google will send messages via Search Console to webmasters who own sites that could be impacted in one way or another (and especially negatively, for example f...
John Mueller Jan 16, 2017
★★ Will Mobile PageSpeed Really Be Ignored as a Ranking Factor with Mobile First Indexing?
John Mueller indicated that when Mobile First indexing launches in a few months, a page's mobile PageSpeed score will not be considered as a relevance criterion, at least initially (currently it's the...
John Mueller Jan 09, 2017
★★★ Should You Already Be Optimizing Your Site for Google's Mobile First Index?
Gary Illyes reminded (with a Japanese Googler) on Twitter that the "Mobile First" index was not yet live. Let's remember that nothing will really happen before - at least - the second quarter of 2017 ...
Gary Illyes Jan 02, 2017
★★★ Should You Really Optimize Your Mobile and Desktop Sites Differently in 2017?
John Mueller indicated that it was important in 2017 to ensure that mobile site optimization was as good as desktop site optimization. This was in the context of the Mobile First index launch, logical...
John Mueller Jan 02, 2017
★★★ How Can You Prepare for Google's Mobile First Index Rollout?
Regarding the "Mobile First" index, about which very little is currently known, Gary Illyes confirmed that more information for webmasters will be made available in due course (certainly when the proj...
Gary Illyes Nov 28, 2016
★★★ Is Hummingbird Really an Anti-Spam Algorithm or Does It Serve an Entirely Different Purpose?
John Mueller indicated on Twitter that Hummingbird, launched in 2013, was not an algorithm specifically dedicated to fighting spam. This is clearly true, since Hummingbird (just like its legitimate su...
John Mueller Nov 21, 2016
★★★ Are Mobile First Indexing and Mobile-Friendliness Really Two Different Things?
Gary Illyes clarified that the Mobile First indexing project is separate from the mobile-friendliness criteria Google uses to determine whether a site is compatible or not. The two subjects have nothi...
Gary Illyes Nov 14, 2016
Should You Still Worry About Hidden Content in Accordions and Tabs for SEO?
Until now, Google had indicated that hidden but "potentially visible" content, for example in tabs or accordions, was taken into account and analyzed, but with a lower weight in the algorithm. Gary Il...
Gary Illyes Nov 14, 2016
★★★ Do You Really Need a Dedicated XML Sitemap for Your AMP Pages?
John Mueller indicated on Twitter that using the AMP standard on your site does not require creating a specific XML Sitemap for this format. A "classic" Sitemap is sufficient and Google will find the ...
John Mueller Oct 24, 2016
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