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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★★★ Can Google still index mobile-first even with a canonical pointing from mobile to desktop?
When a mobile page has a canonical annotation pointing to its desktop version, Google may choose to index it mobile-first if the content is relevant and identical. It is advised to move to a responsiv...
John Mueller Mar 26, 2020
★★★ Is it true that your traffic data can become unreadable overnight with Google Search Console and mobile-first?
With mobile-first indexing, the data in Google Search Console will relate to the mobile version of the site, which can be confusing if you are using mobile subdomains....
John Mueller Mar 26, 2020
★★★ Is responsive design truly more effective than mobile subdomains for mobile-first indexing?
With the shift to mobile-first indexing, Google prioritizes the content of the mobile versions of websites for the index. It is recommended to simplify the site structure by using a responsive design ...
John Mueller Mar 26, 2020
★★★ Should you still optimize your AMP pages with mobile-first indexing?
With the transition to mobile-first indexing, you don’t need to put additional effort into your AMP pages. They should already align with what users see on your regular pages....
John Mueller Mar 17, 2020
★★★ Should you really ditch m-dot sites for responsive design?
It is recommended to switch to responsive design rather than maintaining separate m-dot sites, even though we still support the latter with mobile-first indexing....
John Mueller Mar 06, 2020
★★★ Is Word Count Really a Ranking Factor for SEO on Google?
John Mueller explained on Twitter that publishing content with the same word count as content ranking #1 on Google is not a criterion that will guarantee good rankings. Generally speaking, the word co...
John Mueller Feb 24, 2020
★★ Why does the mobile usability report only cover a sample of your pages?
The mobile usability report in Search Console is based on a sample of pages rather than all the indexed pages of your site....
John Mueller Feb 21, 2020
★★ Should You Stop Over-Optimizing H1-H6 Tags for SEO?
John Mueller indicated in a hangout that for him, the weight of Hn tags (H1-H6) was generally and often quite overestimated in an SEO strategy. He explained that H1-H6 tags are primarily used by Googl...
John Mueller Jan 06, 2020
★★ Is Word Count Really a Ranking Factor for Google?
In a Reddit discussion, John Mueller indicated that "the number of words on a page is not a relevance criterion" for the search engine....
John Mueller Aug 12, 2019
★★★ Do Duplicate Hn Tags (Desktop/Mobile) Actually Hurt Your SEO Rankings?
We noticed, when analyzing certain websites, that some templates and CMS platforms (especially when using a "builder") create duplicate Hn tags: one version for desktop, another for mobile. We therefo...
Google Jun 25, 2019
★★ How Does the Mobile First Index Transition Work Based on Your Site Architecture?
John Mueller indicated on Twitter that the transition to the Mobile First Index happens based on the domain name. So if a site uses addresses with subdomains (example: blog.example.com) and the addres...
John Mueller Jun 11, 2019
★★★ Which Dates Does Google Actually Use to Rank Your Pages?
John Mueller explained on Twitter that Google can take into account two types of dates: the one indicated in the XML Sitemap ("lastmod" field or last modified date) which corresponds to the last modif...
John Mueller May 02, 2019
★★★ Should You Really Migrate Your Dedicated Mobile Site to Responsive Design in 2024?
John Mueller explained on a Reddit forum that website publishers with a dedicated mobile site should really consider migrating to a Responsive site (1 URL, 1 HTML code) in the future. And this is not ...
John Mueller Mar 18, 2019
★★★ Can You Really Trust Google Search Console's Mobile Data to Guide Your SEO Strategy?
We asked Vincent Courson whether the data from the new Search Console regarding mobile compatibility was only samples. Because, most often, the number of pages indicated (sum of mobile-compatible page...
Google Feb 04, 2019
★★★ Could 50% of Websites Lose Traffic Due to Mobile First Indexing?
We know that currently, 50% of Google SERP results come from the Mobile First Index. John Mueller recently indicated that, apparently, the "simple" cases have been processed so far. But the remaining ...
John Mueller Jan 28, 2019
★★★★ Does the Alt Attribute Really Matter for Classic Web Search Rankings?
John Mueller explained in a hangout that the Alt attribute of images plays a fairly minor role in optimizing a page for web search. Indeed, the words that this attribute contains will certainly alread...
John Mueller Nov 19, 2018
★★★ Can You Really Opt Out of Google's Mobile First Indexing?
John Mueller responded to a question on Twitter asking whether one could request not to be moved to the Mobile First Index. The answer was negative....
John Mueller Nov 12, 2018
★★★ Should You Really Use the Same Title Tag for Both Desktop and Mobile?
John Mueller advised on Twitter to use only one Title tag, identical for both desktop and mobile versions of a web page. And, within the framework of the Mobile First index, it's the mobile version's ...
John Mueller Nov 12, 2018
★★★ Why Does Google's Structured Data Testing Tool Crawl Your Site in Desktop Mode Instead of Mobile?
John Mueller explained on Twitter that Google's structured data markup testing tool crawls the submitted URL as a "neutral" crawler, which is interpreted most of the time by the site as a "desktop" cr...
John Mueller Nov 05, 2018
★★★ How Does Googlebot Actually Interpret Your Website's JavaScript?
Google's Martin Splitt indicated during a hangout that there was still a gap between how current browsers (example: Chrome version 70) parsed and displayed a web page and how Googlebot saw it (more li...
Martin Splitt Nov 05, 2018
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