What does Google say about SEO? /
John Mueller is one of Google's most active spokespeople on search engine optimization topics. As a Search Advocate, he regularly answers the SEO community's questions during Google Search Central sessions and on social media. His statements are a prime source of information for understanding how Google Search works and the best practices to follow.
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
★★ Why Doesn't Google Index All of Your Pages?
For most websites, Google never indexes 100% of all the pages. There is always a certain proportion of pages that are not indexed, which is normal in the functioning of Google....
Aug 20, 2021 ⚡ Analysis available
★★★ What could be causing your new pages to take so long to get indexed?
<p>If new WordPress pages take weeks to be indexed despite good technical accessibility, it usually signals insufficient overall site quality. Google isn't convinced about the overall quality and is h...
Aug 20, 2021 ⚡ Analysis available
★★★ Why do URLs with or without a trailing slash matter so much in SEO?
Google treats URLs with a trailing slash (/) and without a trailing slash as two distinct URLs and indexes them separately. It is crucial to consistently use the same variant across all internal links...
Aug 20, 2021 ⚡ Analysis available
★★ Should you be worried about multilingual text in SEO?
If a page in Russian contains a few small decorative images with text in German, it is generally not an issue. Google considers the page to be predominantly Russian. With a significant amount of text ...
Aug 20, 2021 ⚡ Analysis available
★★ Why does Google Images struggle with multilingual content?
Even with properly configured hreflang, Google Images may struggle to show the correct language version when the same images are used on multiple language variants. It is advisable to add a JavaScript...
Aug 20, 2021 ⚡ Analysis available
★★★ Is it necessary to change domains after removing a large amount of content?
When 75% of the content of a domain needs to be removed (with a 410 status), it's generally advisable to maintain the existing domain and clean up the content rather than migrate to a new domain. A do...
Aug 20, 2021 ⚡ Analysis available
★★ Is it true that Google's recent soft 404 adjustments could change your technical SEO game?
About a week ago, Google disabled a system that was generating too many soft 404s. The team is working to refine this system to better detect true empty pages, especially on internal search sites....
Aug 20, 2021 ⚡ Analysis available
★★★ How can you prevent soft 404 errors from 'no results' pages?
If a page shows 'no results found' at the top of the HTML (even if hidden by CSS), Google may interpret it as an empty page and generate a soft 404 error. This text should only appear during a real se...
Aug 20, 2021 ⚡ Analysis available
★★★ Why are banners often preferred over intrusive interstitials in SEO?
Instead of a full-screen pop-up, use a banner that does not cover all the main content. Banners are not considered intrusive interstitials and do not negatively affect Page Experience, provided that t...
Aug 20, 2021 ⚡ Analysis available
★★★ Why does Google change your title tags without warning?
Google now more frequently modifies the title tags displayed in the results. This is not a signal that the title needs to be changed by the webmaster. If Google selects a poor title, it is useful to s...
Aug 20, 2021 ⚡ Analysis available
★★ Why does Google take time to update URLs after migrating from AMP?
After migrating from AMP to non-AMP, it’s normal for AMP URLs to continue showing up in mobile results for 4 weeks or more. Google has learned a matching model between AMP and non-AMP versions that ta...
Aug 20, 2021 ⚡ Analysis available
★★★ Why is it essential to separate UGC on subdomains for effective SEO?
For platforms hosting user-generated content, it is recommended to separate the clean editorial content on a distinct domain and isolate each user on subdomains. This helps Google evaluate quality ind...
Aug 20, 2021 ⚡ Analysis available
★★★ Why does Google prioritize field data over lab data for SEO?
For ranking, Google uses field data from Search Console that shows the real-world experience of users, not lab data from Lighthouse. While Lighthouse tests are useful for identifying improvements, the...
Aug 20, 2021 ⚡ Analysis available
★★★ Are Session Interstitials Really Impact-Free for SEO?
Intrusive interstitials are a ranking factor only at the moment the user arrives on the site. Interstitials shown during the session (e.g., between levels of a game) do not present an SEO problem and ...
Aug 20, 2021 ⚡ Analysis available
★★ How does the disavow file truly impact your link profile?
When a disavow file is deleted or modified, Google takes it into account immediately, but the effect unfolds gradually as the affected links are recrawled. It is better to update the file than to dele...
Aug 20, 2021 ⚡ Analysis available
★★★ Could having too many language versions actually weaken your SEO performance?
Creating numerous language or country versions of a website (e.g., 15 versions) dilutes the overall strength. Each version becomes individually weaker and may rank less effectively. It's essential to ...
Aug 20, 2021 ⚡ Analysis available
★★ How can you avoid the negative impacts of network caching on your SEO tests?
To bypass network caching issues when testing with PageSpeed Insights, adding a random parameter after the URL (e.g., ?123) generally forces intermediate servers to fetch the most recent version of th...
Aug 20, 2021 ⚡ Analysis available
★★ Should you focus on concentrated traffic or dispersed traffic for SEO?
Google does not favor pages that rank for a few keywords with high traffic, nor those that rank for many keywords with low traffic. It's a strategic decision based on competition and the site's object...
Aug 20, 2021 ⚡ Analysis available
★★ How do content silos truly impact your SEO?
Creating content silos with thematic internal linking is not primarily an SEO technique. It is useful for helping users comprehend the site's expertise on a topic, which indirectly aids Google in bett...
Aug 20, 2021 ⚡ Analysis available
★★★ Does Server Response Time in Search Console Really Impact Your SEO Rankings?
The server response time displayed in Search Console (crawled from the US) is not used for ranking purposes. Google employs Core Web Vitals based on actual user experiences to determine ranking speed ...
Aug 20, 2021 ⚡ Analysis available
🔔

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.