What does Google say about SEO? /
Artificial intelligence is fundamentally reshaping search engine optimization and Google's algorithms. This category compiles Google's official statements regarding AI usage in search, including machine learning technologies, large language models (LLMs), and new generative search experiences like SGE and AI Overview. SEO practitioners will find Google's positions on how AI-generated content (ChatGPT, Gemini, Bard) impacts website rankings and organic visibility. Google has clarified its guidelines concerning artificial intelligence for content creation, distinguishing acceptable practices from manipulative techniques that violate search quality standards. Understanding these official declarations is crucial for adapting SEO strategies to algorithmic evolutions, particularly with the increasing integration of machine learning into ranking systems. This category also covers the impact of AI-generated answers in SERPs, E-E-A-T quality criteria applied to AI-assisted content, and recommendations for maintaining organic search presence in the era of generative search. Essential insights include how Google evaluates content quality regardless of production method, focusing on helpfulness and user value rather than creation process. A must-follow resource for staying ahead in modern search engine optimization.
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★★★ Should You Already Be Optimizing Your E-commerce Site for Conversational AI Agents?
John Mueller suggests that e-commerce site owners should check whether their stores are accessible to AI agents, such as those used through ChatGPT for shopping. An experiment conducted in Switzerland...
John Mueller Aug 05, 2025
★★★ Is Classic SEO Really All You Need to Rank in AI Search?
Fabrice Canel, Product Manager at Bing, states that to optimize visibility in AI Search, simply following usual SEO best practices is sufficient—a view shared by Google. In a recent blog post, his tea...
Google Aug 05, 2025
★★★ Should You Use LLMS.txt to Optimize Your SEO for AI?
Gary Illyes recently stated on Bluesky that the LLMS.txt file, designed to "control" LLMs' access to web content, strongly resembles the meta keywords tag from the 1990s, which quickly became obsolete...
Gary Illyes Aug 05, 2025
★★ Is title truncation in Google search results actually hurting your SEO?
According to John Mueller, truncation of product names in Google search results does not constitute a violation of guidelines. Google can shorten titles displayed in search results for display reasons...
John Mueller Jul 30, 2025
★★★ Do You Really Need a New 'GEO' Strategy to Show Up in Google's AI Overviews?
Google confirms that no particular optimization is necessary for AI Overviews and AI Mode. Gary Illyes has clearly established that traditional SEO practices are more than sufficient to rank in the ne...
Gary Illyes Jul 29, 2025
★★★ Should You Delete Past Event Pages or Keep Them for SEO?
John Mueller provided practical advice on the SEO management of web pages for shows, events or performances once they have ended. He compares this situation to that of out-of-stock products in e-comme...
John Mueller Jul 29, 2025
★★ Should You Use a Noindex Header to Protect Your llms.txt Files from Google Indexing?
John Mueller answered a question about llms.txt files and their potential impact as duplicate content. He explained that these files would only be considered duplicate content if their content was ide...
John Mueller Jul 29, 2025
★★ Are tracking parameters damaging your search visibility? Here's why Google shows them—and how to fix it
Tracking parameters can appear in Google search results. This is a common issue that requires action to maintain a clean search presence and user-friendly experience....
Google Jul 25, 2025
★★★ Is CSS ::before and ::after content really invisible to Google?
Content added via CSS pseudo-elements ::before and ::after does not appear in the DOM and will therefore not be taken into account by crawlers and accessibility tools. This content should only be used...
Martin Splitt Jul 24, 2025
★★ Why does Google require your CSS files to be crawlable?
Google's guidelines indicate that CSS files must be crawlable, which suggests they have a certain importance for the page indexation and rendering process....
John Mueller Jul 24, 2025
★★ Can CSS Harm Your SEO Just Like JavaScript Does?
CSS is like JavaScript: it's perfectly acceptable to use it (everyone does), but it offers a lot of flexibility and power, which can sometimes lead to building things that don't work as intended for S...
John Mueller Jul 24, 2025
★★ Does 100vh really cause indexation problems for your hero images?
Using 100vh (100% of the viewport height) for hero images can cause problems with the Inspect URL tool due to viewport expansion used during rendering. However, the content remains accessible in the D...
Martin Splitt Jul 24, 2025
★★★ Do CSS class names really affect your search engine rankings?
CSS class names have no effect on search engine optimization. They are simply identifiers used to assign styling rules to HTML elements. You could name them all 'blurb' without any SEO impact, though ...
Martin Splitt Jul 24, 2025
★★ Why does Google require <img> tags for stock images instead of CSS?
Even though stock images probably won't be indexed (Google acknowledges they already exist elsewhere), from a semantic standpoint, if they're part of the page's content, they should be in the HTML wit...
Martin Splitt Jul 24, 2025
★★★ Why does Google fail to recognize hashtags generated through CSS ::before?
The indexation team reported a case where a site used CSS ::before to add the # symbol in front of keywords. The indexation system did not recognize these hashtags because the # symbol was not in the ...
John Mueller Jul 24, 2025
★★★ Why aren't your CSS background images ever showing up in Google Images?
Images loaded via CSS background-image are considered decorative. If an image is integral to your content (product photo, infographic referenced in text), it must use an <img> or <picture> tag to be p...
Martin Splitt Jul 24, 2025
★★★ Should You Hide Information from Structured Data If It's Not Publicly Visible?
On Bluesky, John Mueller explained that information not visible to logged-out users should not appear in structured data. If content, such as a product's price, is only displayed to logged-in users, i...
John Mueller Jul 22, 2025
★★ Is It Really Safe to Modify Your Website to Test and Improve Your SEO?
In the Search Off The Record podcast, John Mueller and Martin Splitt stated that it is perfectly acceptable to modify your site in order to test or improve your search engine rankings. However, you ne...
John Mueller Jul 22, 2025
★★★ Why Won't Google Index Your Content Despite Flawless Technical SEO?
On Bluesky, John Mueller indicated that if a technically sound site is poorly indexed by Google, it often means that Google considers its quality or relevance insufficient. Google does not index all c...
John Mueller Jul 22, 2025
★★★ Why Does Google Struggle to Properly Index Your Login Pages and Member Areas?
John Mueller explained on Bluesky that login pages for services (such as analytics or billing interfaces) are difficult to rank well in Google or Bing search results. These pages requiring authenticat...
John Mueller Jul 22, 2025
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