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.
Quick SEO Quiz

Test your SEO knowledge in 5 questions

Less than a minute. Find out how much you really know about Google search.

🕒 ~1 min 🎯 5 questions
★★★ Could a domain name similar to a competitor harm your SEO?
A webmaster was concerned about having a domain very close to another (only one letter difference). John Mueller responds that this is generally not an issue for SEO in itself. The only real risk iden...
John Mueller Apr 21, 2026
★★★ Can Google really ignore all links from a spammy site?
John Mueller reminds us that if a site violates Google's anti-spam policies, its outgoing links can simply be ignored altogether by Google. In other words, a site considered spammy no longer transmits...
John Mueller Apr 21, 2026
★★ Should you offer Markdown versions of your content to enhance your visibility in AI-generated results?
An SEO consultant saw claims circulating that Google Search Central would serve Markdown versions of its blog articles to boost its visibility in AI-generated results. He delved into the topic, inspec...
John Mueller Apr 21, 2026
★★★ Does Markdown Really Work for SEO, or Should You Always Use HTML Instead?
On LinkedIn, someone asked John Mueller whether Google treats .md pages (that is, Markdown) differently from standard HTML pages, and more specifically whether they are properly rendered and accessibl...
John Mueller Apr 14, 2026
★★★ Why does Google stagger Core Updates over multiple weeks instead of releasing them all at once?
John Mueller explains that Core Updates are not deployed all at once, but in stages, because they affect multiple systems and components that must be pushed out progressively. He also clarifies that t...
John Mueller Apr 07, 2026
★★★ Should you really avoid using unique canonicals on multi-page e-commerce sites?
On LinkedIn, Rowan Collins, SEO Consultant, exchanged with John Mueller on a specific point about e-commerce structured data. For a multi-page site, each product variant with its own URL should not be...
John Mueller Mar 31, 2026
★ Should you really cap your images at 1 MB to satisfy Google?
Internally at Google, a linter prevents the submission of images larger than 1 megabyte on documentation sites intended for Search developers. This limit helps maintain lightweight pages....
Gary Illyes Mar 30, 2026
★★ Does Google really block 40 billion spam URLs daily—and how does your site avoid the filter?
Google processes and blocks approximately 40 billion spam URLs per day, which illustrates the scale of the spam problem on the internet and the challenges search engines face in combating it....
Martin Splitt Mar 30, 2026
★ Why does Google enforce a strict 1MB image size limit across its developer documentation?
Internally, Google uses a linter that prevents submission to developer documentation sites if an image exceeds one megabyte. This limit is designed to maintain optimal performance on official document...
Martin Splitt Mar 30, 2026
★★ Are structured data slowing down your pages enough to harm your SEO?
Structured data, which are intended for machines rather than users, can considerably increase the weight of a page. Google supports many types of structured data, and their accumulation on a page can ...
Martin Splitt Mar 30, 2026
★★ Has mobile page weight really tripled in just one decade?
According to the Web Almanac 2025, the median weight of mobile homepage pages has increased from 845 KB in 2015 to 2.3 MB in July 2025, representing a three-fold multiplication over 11 years....
Gary Illyes Mar 30, 2026
★★ Is lazy loading really a must-have SEO performance lever you should activate systematically?
Lazy loading (deferred loading) allows you to load only heavy resources such as images when the user scrolls toward them, rather than loading everything upfront. This reduces the initial page load....
Gary Illyes Mar 30, 2026
★★★ Is mobile-desktop parity really costing you search rankings more than you think?
During the shift to mobile-first indexing, Google discovered numerous sites where the mobile version lacked content, links, navigation, or metadata compared to the desktop version, causing ranking pro...
Martin Splitt Mar 30, 2026
★ Is Google really processing 40 billion spam URLs every single day?
Google detects and processes billions of spam URLs every day. The exact figure mentioned on Google's official blog reaches 40 billion URLs per day....
Martin Splitt Mar 30, 2026
★★ Does network compression really optimize user device storage space, or is it just a temporary fix?
Network-level compression helps reduce data transfer time, but it does not solve the storage space problem on the user's device. Once decompressed, data occupies its full size on disk....
Gary Illyes Mar 30, 2026
★★ Has mobile page weight tripled in 10 years? Why should SEO professionals care about this trend?
Data from the Web Almanac 2025 shows that the median weight of a mobile homepage has grown from 845 KB in 2015 to 2.3 MB in July 2025, representing a threefold increase over 10 years....
Gary Illyes Mar 30, 2026
★★ Can image optimization really cut your page weight by 90%?
It is recommended to optimize images for the web. An appropriately compressed image is visually identical to the original on screen, but can reduce file size from several megabytes to less than one me...
Martin Splitt Mar 30, 2026
★★ Is lazy loading really essential to optimize your initial page weight and boost Core Web Vitals?
Lazy loading allows you to load only images and heavy content that are actually visible or near the user's viewport, rather than loading everything upfront, thereby reducing the initial weight of the ...
Martin Splitt Mar 30, 2026
★★ Is your page weight really slowing down your SEO performance?
Studies show that fast websites have better retention and conversion rates. Speed depends partly on page size: the more data to transfer, the longer the transfer and processing time....
Martin Splitt Mar 30, 2026
★★ Does your website's overall size really hurt your SEO performance?
In the context of weight and size, it's more relevant to talk about webpages rather than websites. The notion of a 'heavy site' doesn't really make sense in SEO — it's the weight of individual pages t...
Gary Illyes Mar 30, 2026
🔔

Get real-time analysis of the latest Google SEO declarations

Be the first to know every time a new official Google statement drops — with full expert analysis.

No spam. Unsubscribe in one click.