What does Google say about SEO?

Search through official Google statements about search engine optimization

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8275 statement(s) found
Why does Google treat a domain change as a complete site migration?
Martin Splitt Jul 09, 2025 ★★★
When you want to move from an old domain to a new domain in Google Search, this constitutes a site migration. This operation requires following the official site migration process documented by Google.
Domain Age & History AI & SEO JavaScript & Technical SEO Domain Name PDF & Files Redirects
Do You Really Need Perfectly Valid HTML Code to Rank Well on Google?
John Mueller Jul 08, 2025 ★★★
In an episode of the Search Off the Record podcast, John Mueller and Martin Splitt revealed that the overwhelming majority of well-ranked sites have invalid HTML, without it harming their SEO: "Search engines have to deal with everything that doesn't...
Domain Age & History Content AI & SEO JavaScript & Technical SEO Web Performance International SEO
Should You Stop Chasing Every New SEO Trick That Comes Along?
John Mueller Jul 08, 2025 ★★★
On Bluesky, John Mueller shared a blog post about the often costly and counterproductive obsession with measuring everything, adding this comment: "SEO is complex, many elements are interconnected, and their effects are delayed over time." And furthe...
Content Discover & News E-commerce AI & SEO Pagination & Structure
Why Does Google's Fresh Index Give Recent Content a Decisive Edge in SEO?
Google Jul 01, 2025 ★★★
On X, Jeff Dean from the Google AI team highlighted Google's index freshness as a major asset for its AI services. Unlike closed LLMs such as ChatGPT or Claude, whose indexes are rarely updated and can generate obsolete links, Gemini relies on the Go...
Domain Age & History Crawl & Indexing AI & SEO Links & Backlinks
Should You Really Create an llms.txt File to Optimize Your Site for AI?
John Mueller Jul 01, 2025 ★★★
While the idea of the llms.txt file emerged to guide LLMs (like ChatGPT) in exploring websites, John Mueller clarifies that no AI system is currently using it. Although tools like Yoast already offer to generate it automatically, no LLM consults it a...
Domain Age & History Content Crawl & Indexing AI & SEO PDF & Files
Do URL Extensions Like .html, .htm, or None Really Matter for SEO?
John Mueller Jul 01, 2025 ★★★
John Mueller reaffirms that URL extensions (.htm, .html, or none) have no impact on SEO. Asked on Reddit, he specifies that this choice is mostly historical, with few sites still using static files. This position remains unchanged for several years, ...
Domain Age & History Content AI & SEO Domain Name PDF & Files
Do you really need to overhaul your SEO strategy for Google's AI features?
John Mueller Jul 01, 2025 ★★★
Google's traditional SEO recommendations continue to apply fully to new AI-powered search features, with no need for additional guidance.
AI & SEO
Do you really need to optimize your site differently for AI Overviews and AI Mode?
John Mueller Jul 01, 2025 ★★★
Sites don't need to do anything special beyond being indexable to be eligible for AI features like AI Overviews or AI Mode. No new structured data, special files for LLMs, or content redesigns are necessary.
Content Crawl & Indexing AI & SEO PDF & Files Redirects
Do clicks from AI Overviews actually convert better?
John Mueller Jul 01, 2025 ★★★
Clicks coming from search results pages with AI Overviews are of higher quality: users spend more time on sites. Some sites can observe a measurable improvement in conversions through analytics tools.
Domain Age & History AI & SEO
Do AI Overviews really drive traffic to a wider range of websites?
John Mueller Jul 01, 2025 ★★
AI Overviews directs users to a greater diversity of websites, particularly for complex queries requiring exploration, reasoning, or advanced comparisons.
Crawl & Indexing AI & SEO
Why does Google really obsess over 'unique value' in content?
John Mueller Jul 01, 2025 ★★★
It remains essential to create something unique, compelling, and high-quality on your site that users will find valuable. Examine search results and identify where you can add unique value through features, services, products, or content.
Content E-commerce AI & SEO
Is log analysis really the SEO skill that will outlast everything else?
John Mueller Jul 01, 2025 ★★
Understanding how crawlers interact with websites is an SEO skill that will remain relevant as long as there are websites. Log file analysis allows you to identify different bots and their behaviors.
Crawl & Indexing PDF & Files
Should you stop talking about SEO and embrace new terms like AIO, GEO, or LLM optimization instead?
John Mueller Jul 01, 2025
Despite discussions about new terms like AIO, GEO, or LLM optimization, Google believes that SEO should remain called SEO in a world with AI.
AI & SEO International SEO
Will Search Console's Core Web Vitals recommendations finally make a real difference?
John Mueller Jul 01, 2025 ★★
Search Console now displays recommendations when individual Core Web Vitals elements are particularly poor. These measurements are based on real user experience and poor values can discourage visits.
Domain Age & History AI & SEO Web Performance Local Search Search Console
Is the robots.txt file really still useful for controlling AI crawler access in 2024?
John Mueller Jul 01, 2025 ★★
The robots exclusion protocol allows websites to granularly control which parts are accessible to crawlers, including search engines and those crawling for AI training. These controls remain relevant.
Crawl & Indexing AI & SEO
Does broken HTML really hurt your search rankings?
John Mueller Jun 26, 2025 ★★★
Google can process broken or invalid HTML. Only 0.5% of the top 200 websites have valid HTML on their homepage. Search engines must handle imperfect HTML, so slightly incorrect syntax won't block indexation or ranking.
Domain Age & History Crawl & Indexing AI & SEO
Are broken metadata silently sabotaging your SEO without triggering indexation failures?
Martin Splitt Jun 26, 2025 ★★★
If metadata like structured data, titles, descriptions, or robots tags are malformed and cannot be parsed correctly, they will not work. This doesn't prevent indexation, but the associated features will fail.
Content Crawl & Indexing Structured Data AI & SEO Pagination & Structure
Should you still use the meta keywords tag for SEO in 2025?
John Mueller Jun 26, 2025 ★★★
No search engine uses the meta keywords tag. Developers don't need to spend time on this tag, even though using it doesn't cause any problems.
Do HTML comments really have any impact on your Google rankings?
Martin Splitt Jun 26, 2025 ★★
Google downloads HTML comments because they're part of the source code, but it doesn't process or index them. Their content has no impact on your search engine rankings.
Content Crawl & Indexing AI & SEO
Do CSS class names really affect your search rankings?
Martin Splitt Jun 26, 2025 ★★
CSS class names are purely technical information. There's no need to include keywords in them, as Google doesn't use them for ranking purposes.
Content AI & SEO
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