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
★★★ How can you speed up the removal of unnecessary content from Google?
The process of bulk de-indexing can take time, especially for content that is rarely explored. Adding noindex directives can accelerate de-indexing....
Jun 27, 2019 ⚡ Analysis available
★★ How many redirects does Google actually follow before giving up?
Google handles multiple redirects by following up to five redirects at once. Beyond this number, processing can be segmented to slowly check later redirects....
Jun 27, 2019 ⚡ Analysis available
★★★ Do the medical certifications of authors really influence the ranking of health content?
Adding information about authors' qualifications, such as medical certifications, can enhance user trust and help Google's algorithms recognize the reliability of health information....
Jun 27, 2019 ⚡ Analysis available
★★ Should you really disavow spam links, or is Google taking care of it for you?
Google is effective at ignoring spam links, and typically, there is no need to disavow them. However, for added security, using a disavow file can be considered....
Jun 27, 2019 ⚡ Analysis available
★★ Why does Google only show part of your structured data in the Search Console?
Google only presents structured data that has visible effects on search results, rather than all structured data present on a page. For data that does not impact results, it is generally not reported ...
Jun 27, 2019 ⚡ Analysis available
★★★ Does site speed really affect Google’s algorithm updates?
During updates, Google did not specifically target performance in June, but speed is an important factor, especially for mobile devices. The emphasis on performance could increase in the future....
Jun 27, 2019 ⚡ Analysis available
★★★ Do new Internet protocols really boost your SEO?
Technologies like new Internet protocols can enhance site speed, which is a ranking factor for Google, especially on mobile. Google recommends adopting them if it improves user experience, but with ca...
Jun 27, 2019 ⚡ Analysis available
★★★ Do the deep pages on your site really impact your overall SEO success?
Google considers the overall quality structure of a site, giving more weight to pages that are more visible and directly accessible from the homepage. However, this does not mean that deeper or less d...
Jun 27, 2019 ⚡ Analysis available
★★★ Should you still optimize infinite scroll for Google indexing?
Recommendations for infinite scroll remain valid, except for rel-next and rel-previous. It is crucial to have updated URLs during scrolling to facilitate indexing....
Jun 25, 2019 ⚡ Analysis available
★★ Is it true that HTML/CSS validation is completely pointless for SEO?
The HTML/CSS validity of a document is not a ranking signal. Most web pages have HTML errors but are not penalized by Google if they function well for users....
Jun 25, 2019 ⚡ Analysis available
★★★ Do illustrative images really affect your SEO ranking?
Illustrative photos are acceptable but do not affect rankings in standard web searches. They are less effective for image searches because Google prefers originality....
Jun 25, 2019 ⚡ Analysis available
★★★ Does the XML sitemap and lastmod field really speed up the indexing of your content?
An XML sitemap file will help facilitate the discovery and quick indexing of new pages. The lastmod field is particularly useful for indicating that the page has been modified....
Jun 25, 2019 ⚡ Analysis available
★★★ Do rich results really depend on the overall quality of your site?
For rich results to be displayed, the overall quality of the site must be high, in addition to correct technical aspects and compliance with policies....
Jun 25, 2019 ⚡ Analysis available
★★★ Should you really be concerned about the length of meta descriptions?
There is no recommended ideal length for meta descriptions. Google does not penalize pages with long meta descriptions, and these do not directly affect ranking....
Jun 25, 2019 ⚡ Analysis available
★★★ Are URLs with non-Latin characters really crawled by Google without issues?
Google can crawl URLs containing non-Latin characters without any issues. We've been doing this for a long time....
Jun 25, 2019 ⚡ Analysis available
★★★ Do nofollow internal links really dilute the PageRank of your pages?
Nofollow internal links tell Google not to pass signals to the linked page. This does not directly affect the 'strength' of the originating page....
Jun 25, 2019 ⚡ Analysis available
★★ Should you set a default language on your homepage to boost your SEO ranking?
Choosing a default language for your homepage does not necessarily guarantee a better ranking in that language. However, the homepage often holds more weight due to its external links, which can indir...
Jun 25, 2019 ⚡ Analysis available
★★★ Is it really necessary to reduce the number of pages on your site to improve rankings?
Generally, it's better to reduce the number of pages and create higher quality pages, rather than multiplying pages with little content. This approach allows for stronger pages that could rank better ...
Jun 25, 2019 ⚡ Analysis available
★★ Can Hidden Content in Accordions Really Appear as Featured Snippets?
John Mueller explained on Twitter that content present in an accordion or tab (and therefore potentially visible upon user action but hidden by default) could appear in featured snippets (whereas this...
Jun 25, 2019 ⚡ Analysis available
★★ Can a Page Rank Based on Image Alt Attributes Alone?
John Mueller indicated on Twitter that a page can definitely rank on the search engine with a keyword that is only displayed in the Alt attribute of an image within its source code......
Jun 25, 2019 ⚡ Analysis available
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