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

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🕒 ~1 min 🎯 5 questions
★★★ Should you really use the Disavow tool only for purchased links?
The Disavow file should only be used for links where it is 100% obvious they were purchased or exchanged. Random links from spam sites, forums, or copied pages do not need to be added to the Disavow f...
Jan 14, 2022 ⚡ Analysis available
★★ Does the domain directive in your Disavow file really help you bypass Google's 2MB limit?
The Disavow file limit is 2MB. To optimize space, it is recommended to use the domain directive as much as possible rather than listing each URL individually....
Jan 14, 2022 ⚡ Analysis available
★★★ Do you really need to translate your pages word-for-word for hreflang to work effectively?
Pages linked by hreflang do not need to have exactly identical content. Products, recommendations, and algorithms can vary between countries. Google uses hreflang to understand which URLs are equivale...
Jan 14, 2022 ⚡ Analysis available
★★★ Should you redirect mobile users to your app—and what are the hidden SEO risks?
Redirecting mobile users to an application is acceptable from an SEO perspective, but you must ensure you don't redirect Googlebot to the app store since it cannot install applications. A systematic r...
Jan 14, 2022 ⚡ Analysis available
★★ How many location pages can you create before Google penalizes you for spam?
Having dedicated landing pages for each state or region is acceptable to Google if the number remains reasonable (for example 50 states). However, creating a page for each city in each state would sta...
Jan 14, 2022 ⚡ Analysis available
★★★ Should you really ditch geo-redirects for a simple dynamic banner?
Instead of automatically redirecting based on geolocation, Google recommends using a dynamic banner that allows users to choose their region. This prevents only one geographic version from being index...
Jan 14, 2022 ⚡ Analysis available
★★★ Can a noindex tag on geolocalized pages wipe your entire website from Google search results?
If you create landing pages by state and add noindex to these individual pages, then the homepage that would be displayed for California would also be noindexed, causing the site to disappear from sea...
Jan 14, 2022 ⚡ Analysis available
★★★ Does Googlebot really crawl from just one place when indexing your geo-targeted content?
For search purposes, Googlebot generally crawls from a single location, which likely corresponds to California for most Google systems. This means that geo-localized content served in California is th...
Jan 14, 2022 ⚡ Analysis available
★★★ Can a site migration really boost your SEO rankings or destroy them completely?
A site migration can have very positive or very negative effects on SEO. The result depends on implementation quality: improvement of internal linking, URL structure, HTML quality. You should not assu...
Jan 14, 2022 ⚡ Analysis available
★★★ How long does Google actually take to fully process a domain migration?
There is no fixed timeline for a domain or infrastructure migration to be completely processed by Google. The time required depends on many factors such as content changes, URL structure, and HTML for...
Jan 14, 2022 ⚡ Analysis available
★★ Is a strict heading tag hierarchy really necessary for SEO rankings?
It is not mandatory to use a strict hierarchical structure of heading tags for SEO. Google recommends structuring them well, but it is not an absolute technical requirement for ranking....
Jan 14, 2022 ⚡ Analysis available
★★★ Do H1-H6 heading tags really still impact Google rankings?
Google uses heading tags (H1, H2, etc.) to better understand the context of different content sections on a page. A structured hierarchy can help, but the primary effect concerns accessibility for use...
Jan 14, 2022 ⚡ Analysis available
★★★ Does it really matter whether you submit your sitemap in robots.txt or Search Console?
All different sitemap submission methods are equivalent for Google. Including the sitemap in the robots.txt file provides no particular SEO advantage compared to submission via Search Console....
Jan 14, 2022 ⚡ Analysis available
★★ Does a bloated robots.txt file really hurt your SEO rankings?
A very large robots.txt file (over 1500 lines) has no direct negative SEO impact. However, it makes maintenance more difficult and increases the risk of accidental errors that could cause problems....
Jan 14, 2022 ⚡ Analysis available
★★ Do Google’s core updates really affect all websites?
For the vast majority of websites, core updates do not change their rankings. Only a minority of sites experience significant changes during these algorithm updates....
Jan 11, 2022 ⚡ Analysis available
★★★ Can One Bad Section Really Tank Your Entire Site's SEO Rankings?
John Mueller reminded us during a webmaster hangout that if a portion of a website is of poor quality (he mentioned, for example, poor translation into another language, but not limited to that), this...
Jan 10, 2022 ⚡ Analysis available
★★★ Does unique content really enhance a site's overall ranking?
Having unique content on a site does not automatically result in better rankings for generic queries. Uniqueness only aids in specific searches for that unique content. Removing duplicate content via ...
Jan 09, 2022 ⚡ Analysis available
★★ Does improperly formatted breadcrumb markup lead to a Google penalty?
Breadcrumb markup errors do not trigger manual actions from the spam team. Google has more significant issues to address. It is recommended to test the display in search results....
Jan 09, 2022 ⚡ Analysis available
★★ Should you really delete low-traffic pages to boost your SEO?
Removing content solely based on low traffic is not recommended. Important pages may have low traffic (seasonal content, for example) but still hold value. The analysis should be manual and contextual...
Jan 09, 2022 ⚡ Analysis available
★★ Why does Google choose not to index certain pages on your site?
It is normal for Google not to index every page of a website. The amount of content indexed partly depends on Google's understanding of the overall quality of the site....
Jan 09, 2022 ⚡ Analysis available
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