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
★★★ 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
★★★ Should Every Page Really Have a Canonical Tag, Even When It Points to Itself?
John Mueller indicated during a webmaster hangout that while the "self canonical" technique (implementing a "canonical" tag pointing to the page's own URL to avoid DUST) wasn't entirely mandatory, it ...
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 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
★★★ 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
★★ 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
★★★ 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
★★★ 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
★★ 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
★★★ Should you really use hreflang for untranslated pages?
It is possible to use hreflang with untranslated pages by using canonical content. However, it is generally better to aim for a reduced number of URLs to avoid diluting the authority of your content....
Jun 14, 2019 ⚡ Analysis available
★★★ Does Google really ignore inline SVGs for Google Images?
Google does not index inline SVGs for Google Images. It is advisable to think about how users visually search for your content and not to focus on indexing every graphic element....
Jun 14, 2019 ⚡ Analysis available
★★★ Is it true that the Classic Search Console is about to vanish?
Ultimately, the classic version of Search Console will be shut down, potentially by the end of the year. The features you use will be transferred to the new version, but some aspects may be reconsider...
Jun 14, 2019 ⚡ Analysis available
★★ Should you display author biographies directly in articles for better SEO?
Google does not provide explicit guidelines on the necessity of showing E-A-T information and author biographies directly in an article, but it is important to present them in a way that highlights th...
Jun 14, 2019 ⚡ Analysis available
★★★ Can hreflang really be used to connect different brands across countries?
When you rebrand in different countries, you can use hreflang to link pages of different brands and languages to show the correct version to the right users based on their location....
Jun 14, 2019 ⚡ Analysis available
★★★ Should you still buy expired domains to boost your SEO?
Buying expired domains to redirect to your site is an outdated technique often ignored by Google and could trigger algorithmic filters for manipulating results....
Jun 14, 2019 ⚡ Analysis available
★★★ Could a mistake in your XML sitemap block the indexing of your entire site?
If a URL in an XML sitemap file has an error, only that URL is ignored; the rest of the file is processed if it is technically valid....
Jun 14, 2019 ⚡ Analysis available
★★★ Does duplicated content really hurt if you add value around it?
In the case of duplicated content, such as song lyrics, Google recognizes duplication but considers additional content to determine the ranking in search results....
Jun 14, 2019 ⚡ Analysis available
★★★ Are Sitemaps Truly Essential or Just a Safety Net?
It is advisable to use both sitemap files and internal links to facilitate Google's crawling, but not to rely solely on sitemaps. Internal links aid in the discovery of pages by Google....
Jun 14, 2019 ⚡ Analysis available
★★★ Should you really use nofollow on all guest blogging links?
The use of nofollow links is recommended when creating guest publication content to avoid link manipulation issues. This contributes to brand visibility without negatively impacting link evaluations....
Jun 14, 2019 ⚡ Analysis available
★★★ Does hreflang without differentiated content really prevent Google from displaying distinct versions?
For multilingual sites, hreflang markup helps indicate to Google the appropriate language or regional version to display. However, hreflang without real content variation does not guarantee the displa...
Jun 13, 2019 ⚡ Analysis available
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