SEO statements by John Mueller | SEO Declarations

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.

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★★ How does Google really refresh the AMP cache of your pages?

Google regularly updates the AMP cache, particularly during user visits to pages. There is also an API that allows for forced updates of the AMP cache for specific articles. When a user accesses a pag...

Jun 26, 2020 ⚡ Analysis available

★★ Should you really optimize geographic accessibility for Googlebot to crawl your site?

Google generally crawls from the United States. If a site is accessible only from the USA, Googlebot will be able to index it. However, restricting access for US users would also block Googlebot and p...

Jun 26, 2020 ⚡ Analysis available

★★ Should you really worry about the impact of 404 redirects on your crawl budget?

Switching from 404 to 301 or vice versa has no significant impact on the crawl budget. Google crawls 404s slightly less over time, but even for millions of pages, the difference is negligible....

Jun 26, 2020 ⚡ Analysis available

★★ Is a crawlable root page really necessary for a multilingual site?

For a multilingual site, having a crawlable root page is not mandatory. Redirecting the root domain (301) to the default language version (e.g., /en) is acceptable. Using hreflang with x-default for t...

Jun 26, 2020 ⚡ Analysis available

★★ Why do link aggregators struggle to rank effectively?

Sites that primarily function as collections of links to other providers (for example, app or sports betting aggregators) may encounter ranking difficulties because Google’s algorithms may prefer to i...

Jun 26, 2020 ⚡ Analysis available

★★★ Should you optimize separately for the singular and plural forms of your keywords?

Google treats singular and plural forms as slightly different queries, even though they are recognized as synonyms. For plural queries, systems often prioritize list, comparison, or category pages. Fo...

Jun 26, 2020 ⚡ Analysis available

★★★ How can you effectively manage thousands of subdomains in Search Console?

Search Console limits each account to 1000 verified properties. For sites with thousands of subdomains, this requires creating multiple Search Console accounts, making management more complex (for exa...

Jun 26, 2020 ⚡ Analysis available

★★★ Is it really necessary to translate your content to rank in another language?

A site entirely in one language (e.g., Marathi) will generally not be displayed for queries in another language (e.g., English). Exception: in some countries where local content is lacking, Google may...

Jun 26, 2020 ⚡ Analysis available

★★★ Should you still use the Disavow Tool to manage spam links?

Google generally manages spam links well automatically without the need for intervention. However, if a webmaster detects a massive influx of spam links (for instance, hundreds of spammy domains), the...

Jun 26, 2020 ⚡ Analysis available

★★★ Why does Google filter certain pages in the SERPs despite full indexing?

If two pages would produce exactly the same snippet in the search results, Google will filter one out. The filtering depends on the query and the relevance of each site. The pages remain indexed; only...

Jun 26, 2020 ⚡ Analysis available

★★★ Can ads drag down your Google ranking because of speed issues?

Google assesses the speed of a page as it is served to end-users, including ads. If ads slow down the page, this affects the speed score. Speed is already a factor in mobile ranking. Future Core Web V...

Jun 26, 2020 ⚡ Analysis available

★★★ Should you worry about a Google penalty when deleting content in bulk?

Deleting a large number of articles (404) for legal reasons or at the request of authors does not penalize the rest of the site. 404 errors are normal on the web. The only consequence is that the dele...

Jun 26, 2020 ⚡ Analysis available

★★★ Can invalid HTML really sabotage your Google ranking?

Invalid HTML (e.g., multiple open/close tags) does not negatively affect ranking. The exception concerns meta tags or attributes that must be in the <head>: if HTML is so broken that the <head> slips ...

Jun 26, 2020 ⚡ Analysis available

★★★ Does Google really index all the keywords on a page or is there selective filtering?

If Google indexes a page, it indexes its complete content with all its keywords. There is no system that indexes the content but ignores the keywords. If a page does not rank for certain competitive k...

Jun 26, 2020 ⚡ Analysis available

★★ Can 301 redirects to fix broken URLs lead to a Google penalty?

Fixing problematic old URLs with 301 redirects is a best practice that improves the site. It is never considered spam. If a ranking drop coincides with these corrections, it is probably independent an...

Jun 26, 2020 ⚡ Analysis available

★★★ Does Googlebot really ignore cookie consent banners during indexing?

Google is capable of recognizing and ignoring legal banners such as cookie consents during indexing. If the banner is a CSS/JavaScript overlay on existing HTML content, Google can exclude it and index...

Jun 26, 2020 ⚡ Analysis available

★★★ When it comes to duplicate content across two sites, does Google really impose penalties or not?

Google does not automatically penalize when a business operates two distinct websites with identical content (e.g., a main site + a site dedicated to a specific section). The two sites are treated ind...

Jun 26, 2020 ⚡ Analysis available

★★ Does the Search Console sample size depend on your site's perceived quality?

The sample size used in aggregated Search Console reports can be influenced by the perceived quality of the site. Sites that Google deems high quality and very visible in search results may benefit fr...

Jun 26, 2020 ⚡ Analysis available

★★ Why does Google display inconsistent sitelinks when your internal anchors are clean?

Sitelinks and their descriptive text are generated from the site's structure and the internal anchor texts recognized by Google. Inconsistent text may indicate a problem with anchor recognition (JS, c...

Jun 26, 2020 ⚡ Analysis available

★★★ What URL structure should you choose to boost your international ranking?

For geo-targeting, Google needs to be able to clearly identify distinct sections of the site: ccTLD (e.g., .de, .fr), subdomains, or subdirectories configured in Search Console. For language targeting...

Jun 26, 2020 ⚡ Analysis available

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