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
★★ Can you really block Googlebot state by state in the U.S. without breaking everything?
If you need to block certain U.S. states (not the entire country), you can block Googlebot based on the IP geolocation of the state, but it's technically challenging because the state-IP mapping is no...
May 15, 2020 ⚡ Analysis available
★★★ Are 500/503 errors lasting a few hours really invisible to your indexing?
Temporary server errors (500, 503) lasting a few hours are managed automatically by Google: systems wait and retry later. These errors are not reported in Search Console and do not affect indexing as ...
May 15, 2020 ⚡ Analysis available
★★★ Should you really fix every 404 error reported in Search Console?
Having 404 errors in Search Console is perfectly normal and acceptable when you remove content. There are no penalties, manual actions, or downgrades associated with 404 pages. This indicates that you...
May 15, 2020 ⚡ Analysis available
★★ Why doesn't the Disavow file hide bad links in Search Console?
The Disavow file does not affect the display of links in the link report of Search Console. Disavowed links will continue to appear in this report even if they are ignored by the algorithm....
May 15, 2020 ⚡ Analysis available
★★ Should you really reduce the number of language versions for hreflang?
For hreflang implementation, it is strongly recommended to have fewer pages (fewer language/regional variations) instead of creating landing pages for each country/language combination. Simplifying la...
May 15, 2020 ⚡ Analysis available
★★ Does Hreflang Really Ensure Accurate Geographic Targeting for Your International Traffic?
Hreflang is not an absolute directive. It is normal to see traffic from foreign countries landing on language versions that are not intended for those countries. Google recommends using a suggestion b...
May 15, 2020 ⚡ Analysis available
★★ Do temporary 404 errors during a migration really kill your SEO?
If pages return temporary 404s during a migration (for a few days) before redirects are set up, Google will recrawl the URLs, see the redirects, and treat them normally. The impact on ranking will be ...
May 15, 2020 ⚡ Analysis available
★★★ Why does Google only index one version when your country pages are nearly identical?
When two pages have identical or nearly identical content (same language, different countries), Google often chooses one as canonical, even with hreflang. Hreflang allows for swapping the displayed UR...
May 15, 2020 ⚡ Analysis available
★★★ Is it true that Googlebot crawls from the USA: how can you avoid the geo-IP cloaking trap?
Googlebot primarily crawls from the USA. If you must block content for US IPs for legal reasons, you must also block Googlebot; otherwise, it's cloaking. The rule: users located at the same location a...
May 15, 2020 ⚡ Analysis available
★★ Are Reddit's nofollow links really useless for SEO?
Nofollow links from sites like Reddit have no effect on SEO because Google does not transmit any ranking signal through these links. They are neither beneficial nor harmful....
May 15, 2020 ⚡ Analysis available
★★★ Should you always enable loading='lazy' on all your images to boost SEO?
The HTML attribute loading='lazy' for images is strongly recommended for SEO. Img tags remain in the HTML, so Google can crawl and index images normally while speeding up page load for users. It’s a s...
May 15, 2020 ⚡ Analysis available
★★★ Should you really make all recipe images indexable to perform well in SEO?
For a recipe site, it is strongly recommended to make images indexable. Users often search for recipes via Google Images. Moreover, Recipe structured data requires indexable images to display rich thu...
May 15, 2020 ⚡ Analysis available
★★★ Why does Google not index all your pages despite active crawling?
When Search Console shows a lot of 'Discovered - currently not indexed' or 'Crawled - currently not indexed' pages, it is often because Google's algorithms are not convinced by the overall quality of ...
May 15, 2020 ⚡ Analysis available
★★★ Does mobile-first indexing really impact your page rankings?
Mobile-first indexing is a purely technical process that determines which version (mobile or desktop) Google indexes. It does not involve any ranking advantages or penalties in search results, nor any...
May 14, 2020 ⚡ Analysis available
★★★ Is Google really ignoring duplicate boilerplate content without punishment?
Repeated elements on all pages (Terms and Conditions, phone numbers, addresses) are recognized and simply devalued to focus the evaluation on unique content. Google does not penalize the site for thes...
May 14, 2020 ⚡ Analysis available
★★★ Does your shared IP really harm your SEO rankings?
Hosting a website on a shared IP (cloud, shared hosting) does not penalize SEO. Google only blacklists an IP address in extreme cases where 99% of hosted sites are massive spam. In standard cloud envi...
May 14, 2020 ⚡ Analysis available
★★ Why are multilingual footer links crucial on every page?
Placing links to language variants in the footer of every page (including blog, categories, products) helps both users and Google discover and associate translated versions. These links should not be ...
May 14, 2020 ⚡ Analysis available
★★ Should you opt for subdirectories or subdomains for a multilingual site?
For multilingual sites with a few versions (e.g., 3-5 languages), using subdirectories (example.com/de/, /en/, /fr/) is generally preferred to subdomains, as it simplifies analytical tracking and cons...
May 14, 2020 ⚡ Analysis available
★★★ Why does linking to the homepage undermine your hreflang strategy?
For Google to correctly recognize language variants, each page must link to the exact corresponding version in the other language (FR article → equivalent EN article), not to that language's homepage....
May 14, 2020 ⚡ Analysis available
★★★ Should you create specialized pages or general pages to rank effectively?
Rather than creating an 'average' page that covers all aspects of a generic term (e.g., jeans = jeans jackets + jeans pants), it is better to design very detailed pages for each sub-theme. Google can ...
May 14, 2020 ⚡ Analysis available
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