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
★★ Can you really link multiple sites in the footer without risking your SEO?
Linking multiple sites from the same owner in the footer is acceptable if they are significantly different and kept to a reasonable number (5-10 maximum). Beyond hundreds of sites, it resembles doorwa...
Dec 24, 2021 ⚡ Analysis available
★★ Does Google penalize invisible or misleading structured breadcrumbs?
Google checks if structured data is visible on the page. If the structured breadcrumb does not match the displayed breadcrumb, Google may not use it or may only partially utilize the markup, except in...
Dec 24, 2021 ⚡ Analysis available
★★ Are SEO sites truly exempt from YMYL criteria?
SEO business websites are not classified as Your Money or Your Life sites. This category pertains to sites critical to users' lives. It is advisable to read the Quality Rater Guidelines to better unde...
Dec 24, 2021 ⚡ Analysis available
★★★ Should you really block all internal search URLs in robots.txt?
The URLs generated by the site's internal search should generally not be indexed. They should be blocked with robots.txt to avoid an infinite space of URLs and to prevent spam. This does not provide a...
Dec 24, 2021 ⚡ Analysis available
★★★ Does client-side rendering with React really create ranking challenges for Google?
A React site using client-side rendering, even if the page is empty without JavaScript, should not pose ranking issues. Google renders and processes the JavaScript. The URL Inspect tool allows you to ...
Dec 24, 2021 ⚡ Analysis available
★★★ Should you give up on dynamic keyword injection to avoid Google penalties?
Dynamically adding content based on keywords in an artificial way in hopes of ranking better is not a good idea. The content must be relevant to the page and useful to users, not just a keyword inject...
Dec 24, 2021 ⚡ Analysis available
★★ Should you really block advertising URLs in robots.txt?
Blocking advertising parameters in robots.txt for Googlebot is technically acceptable for SEO, but it can lead to campaign rejections in Google Ads. It's important to check with the Ads team....
Dec 24, 2021 ⚡ Analysis available
★★★ Can Google arbitrarily choose which language version to index when the content is identical?
If the content is identical across multiple language versions (only the currency changes), Google can choose a canonical version and index only that one. Hreflang will still work to display the correc...
Dec 24, 2021 ⚡ Analysis available
★★★ Which method should you choose for multilingual content: geotargeting or hreflang?
To localize pages for different English-speaking countries, the two main methods are geotargeting in Search Console (subdomain/directory level) and hreflang tags (page level). A JavaScript redirect ba...
Dec 24, 2021 ⚡ Analysis available
★★ Could the Product Reviews Update impact your site even if it's not in English?
Although the Product Reviews Update is announced for English, it may be deployed in other languages. Google typically starts with one language and then gradually extends to others, but this isn't inst...
Dec 24, 2021 ⚡ Analysis available
★★ Can Safe Search really stop your adult site from ranking for your own brand?
Safe Search algorithms can prevent some adult sites from ranking on generic queries, even if it is the name of their brand, when users do not expect that type of content. Google does not consider this...
Dec 24, 2021 ⚡ Analysis available
★★★ Can an invalid AMP page still be indexed by Google?
If an AMP page is not valid, Google will still index the page as normal HTML. It just won't benefit from the advantages of the AMP cache, but that doesn't affect the rest of the SEO....
Dec 24, 2021 ⚡ Analysis available
★★★ Does Google really index every single piece of content you publish?
Google cannot index all content. Even with technically correct sites, the quality bar is higher than before. Google must ensure that only what is genuinely useful and relevant for users is indexed....
Dec 24, 2021 ⚡ Analysis available
★★ Does the DMCA really apply page by page, or can an entire site be reported?
The DMCA process is related to individual pages. If a page copies your content, you can specifically report that copied page, but you cannot report the entire website through the DMCA....
Dec 24, 2021 ⚡ Analysis available
★★★ Is it really safe to show structured paid content only to Googlebot without risking penalties?
It is technically considered cloaking to show structured paid content exclusively to Googlebot, but it is acceptable according to Google's rules. Users will see the content after crossing the paywall,...
Dec 24, 2021 ⚡ Analysis available
★★ Should you panic when Google Search Console reports redirect errors?
Following mistakenly sent redirect error alerts in Search Console, Google recommends checking a sample of pages with the URL Inspection tool. If the pages appear correct, there’s no need to worry....
Dec 23, 2021 ⚡ Analysis available
★★ Why is Google refusing to set a final date for mobile-first indexing?
Mobile-first indexing is still ongoing. Due to issues observed on a small number of sites, Google has decided not to set a final date for now and will continue to inform sites of issues as needed....
Dec 23, 2021 ⚡ Analysis available
★ Should you really worry if your homepage lacks an H1?
According to the 2021 Web Almanac analysis from HTTP Archive, more homepages use H2 tags than H1 tags, a surprising statistic revealed in their SEO chapter of over 35 pages....
Dec 23, 2021 ⚡ Analysis available
★★ Should you maintain a static copy of your site during temporary downtime?
If a site needs to be taken offline for security reasons, Google recommends maintaining a static copy of the site with the same URLs. This allows users to find information and helps search engines kee...
Dec 23, 2021 ⚡ Analysis available
★★★ Should you really react quickly after a Google algorithm update?
Google's algorithm updates primarily concern long-term changes in search and are generally not influenced by rapid adjustments of websites. It is advisable to take a step back, read the documentation,...
Dec 23, 2021 ⚡ Analysis available
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