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

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🕒 ~1 min 🎯 5 questions
★★★ Are Google’s algorithm updates truly continuous?
Google does not freeze algorithm updates. This means that changes to your site can be processed by the algorithms during crawls and will affect rankings over time....
Jun 28, 2016 ⚡ Analysis available
★★★ Can affiliate sites really rank without unique content?
For an affiliate site, it is crucial to provide unique added value compared to the original source and other affiliates in order to achieve a good ranking in search results....
Jun 28, 2016 ⚡ Analysis available
★★★ Does the duplicate content filter really penalize your pages or merely filter them out?
Google can filter duplicate content in search results, meaning that multiple versions of the same page will not all be displayed....
Jun 28, 2016 ⚡ Analysis available
★★★ How does linking your new pages to the homepage really speed up indexing?
To help Google discover new or updated content more quickly, it's beneficial to link that content directly from higher levels of the site, such as the homepage....
Jun 28, 2016 ⚡ Analysis available
★★★ Is it true that internal link structure isn't a real issue for Google?
In most cases, a site's internal link structure is not an issue if it's well designed, as Google is able to find and index the content of modern sites built on CMS....
Jun 28, 2016 ⚡ Analysis available
★★★ Do 301 redirects really dilute the PageRank that's passed on?
There is no significant loss of PageRank with 301 redirects from one domain to another, though temporary ranking fluctuations may occur during the transition....
Jun 28, 2016 ⚡ Analysis available
★★★ Do 301 redirects really cause a loss of PageRank during a site migration?
During a site migration, using 301 redirects does not cause a significant loss of PageRank and is a recommended way to guide users and search engines to the new URLs....
Jun 28, 2016 ⚡ Analysis available
★★★ Should you really get rid of the meta keywords tag from your pages?
Google completely ignores the meta_keywords tag, so using it has no impact on page ranking in search results....
Jun 28, 2016 ⚡ Analysis available
★★★ Should you really use rel=canonical across different websites?
When you have duplicate content across multiple sites, it is recommended to use the 'rel=canonical' tag to indicate to Google which version of the page should be prioritized in the search results....
Jun 28, 2016 ⚡ Analysis available
★★★ Does duplicate content really hurt your SEO ranking?
Google does not apply a penalty for duplicate content in SEO. However, search results might be skewed because sites with duplicate content will end up competing against each other, and Google will cho...
Jun 28, 2016 ⚡ Analysis available
★★ How does frequently changing your URLs sabotage your SEO?
Constantly changing the internal URL structure of a site requires a longer adjustment period for Google's algorithms. It is essential to choose a sustainable and stable URL structure to avoid this con...
Jun 17, 2016 ⚡ Analysis available
★★★ Does rel=canonical truly consolidate link value towards a primary page?
If duplicate pages use rel=canonical, this helps to concentrate link value on the primary page rather than diluting it. The mere presence of duplicate content reduces the perceived value of each indiv...
Jun 17, 2016 ⚡ Analysis available
★★★ Are Google’s algorithms truly 100% automated or is there some manual input in ranking?
Google's ranking systems are completely automated, and we do not manually review all web pages to determine their ranking. Human evaluators only test the relevance of our algorithmic updates, not the ...
Jun 17, 2016 ⚡ Analysis available
★★ Are SVGs really indexed as text or images?
For integrated SVG files, the text is considered part of the HTML content and can thus be indexed. For external SVG files, Google treats them more like images and attempts to understand the context th...
Jun 17, 2016 ⚡ Analysis available
★★★ Should you really invest in an XML sitemap if your navigation is solid?
An HTML sitemap can be useful for user experience, but it should not be used to compensate for poor navigation. In contrast, an XML sitemap is important for letting Google know when URLs are added or ...
Jun 17, 2016 ⚡ Analysis available
★★ Is it still necessary to use the disavow file in SEO?
In the case of low-quality links, submitting these links in a disavow file is a good way to gain peace of mind. However, most of the time, Google is capable of managing the normal 'movement' of links ...
Jun 17, 2016 ⚡ Analysis available
★★★ Should you really modify the anchor text in the footer to boost your SEO?
Regularly modifying the anchor text in the footer to appear 'fresh' does not provide any SEO advantage. Google relies on content relevance rather than the frequency of changes. These modifications sim...
Jun 17, 2016 ⚡ Analysis available
★★★ Should you really treat Googlebot like a regular user during A/B testing?
During A/B testing, Googlebot must be treated like any other user. If your test applies to a specific group of users, ensure that Googlebot is included in the correct group based on its crawl location...
Jun 17, 2016 ⚡ Analysis available
★★★ Does Google use an overall quality score to evaluate your site?
There is no overall quality score for sites at Google. We analyze numerous signals from individual pages and broader aspects of the site. There is no unique score based on a few pages to evaluate the ...
Jun 17, 2016 ⚡ Analysis available
★★★ Do nofollow links really stop Google from discovering your pages?
Nofollow links are generally not used by Google to discover and index new URLs. However, since it is rare for an URL to have only one link pointing to it, Google may discover it through other means....
Jun 17, 2016 ⚡ Analysis available
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