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
★★★ Should you really submit your sitemap every time you update your content?
It's not useful to frequently submit your sitemap if you’re not making significant changes, as most CMS systems do this automatically during updates....
Nov 06, 2015 ⚡ Analysis available
★★★ Does a low crawl rate really affect your rankings on Google?
A low crawl rate does not directly affect a page's ranking, even though we tend to explore more frequently the pages we consider important....
Nov 06, 2015 ⚡ Analysis available
★★★ Is Google really able to index localized content loaded via JavaScript?
If you are using JavaScript to display localized content after the page has loaded, Google will not consider this as cloaking. However, Google may not index this content. It is recommended to use sepa...
Oct 27, 2015 ⚡ Analysis available
★★★ How many ads can you put on a page without harming your SEO?
There are no specific guidelines on the number of ads to have on a page, but too many ads that obstruct access to content can harm user engagement and SEO....
Oct 27, 2015 ⚡ Analysis available
★★★ Should you mark up all elements of your site with structured data, or could this harm your SEO?
While it's not possible to add too much structured data to the point of being penalized, it is advisable to focus on relevant markup that could be used for rich snippets, rather than adding tags to ev...
Oct 27, 2015 ⚡ Analysis available
★★★ How can you use anchor text in internal links without falling into keyword stuffing?
Internal links help Google understand the context of your site's content. Use anchors naturally without overloading them with keywords, as this could come off as keyword-stuffed text....
Oct 27, 2015 ⚡ Analysis available
★★★ Should you really prioritize 301 redirects during a site migration?
When moving a site to a new domain or transitioning to HTTPS, it is preferable to use a 301 redirect to indicate that the change is permanent....
Oct 27, 2015 ⚡ Analysis available
★★★ Can using Google Translate really harm your site's rankings in search results?
Google does not have a specific penalty for Google Translate. However, if Google detects low-quality, auto-generated content, like poorly translated texts, it may classify it as pure spam and remove i...
Oct 27, 2015 ⚡ Analysis available
★★★ Is it really necessary to transfer your disavow file when migrating to a new domain?
When moving a site to a new domain, you must also transfer the disavow file to ensure the removal of link actions is preserved....
Oct 27, 2015 ⚡ Analysis available
★★★ Does invalid HTML really block your pages' SEO?
While valid HTML is ideal for Google's understanding of pages, most pages are not perfectly valid. Google is still trying to understand the content even if it contains errors....
Oct 27, 2015 ⚡ Analysis available
★★★ Do noindex pages really dilute the PageRank of linked pages?
Noindexing a page does not affect the pages that are linked to it. Non-indexed pages with a noindex tag can be an appropriate way to structure a site without diminishing the value of indexable pages....
Oct 27, 2015 ⚡ Analysis available
★★★ Do H1-H6 tags really influence Google rankings?
Title tags (H1, H2, etc.) help Google understand a page's structure, but their usage does not provide any significant ranking advantage. It is recommended to use them to provide semantic structure to ...
Oct 27, 2015 ⚡ Analysis available
★★★ Should you still care about the AJAX crawling schema for SEO?
The AJAX crawling schema is no longer recommended. Google can now handle most JavaScript-based sites without specific modifications. Use pre-rendering or ensure that JavaScript is correctly rendered f...
Oct 16, 2015 ⚡ Analysis available
★★★ Should you really redirect all your out-of-stock product pages?
Redirecting out-of-stock product pages should be based on the relevance of the destination. Use a 301 redirect to a relevant category if applicable, or a 404/410 if the destination is not equivalent....
Oct 16, 2015 ⚡ Analysis available
★★★ Does switching to HTTPS with 301 redirects really cause a loss of PageRank?
When transitioning to HTTPS, a minor value loss due to 301 redirects should not deter the switch, as the impact is minimal compared to the advantage of securing the site....
Oct 16, 2015 ⚡ Analysis available
★★★ Does a 302 redirect really hurt your PageRank?
302 redirects are not harmful to PageRank, contrary to popular belief. Google treats 302 as 301 when it determines they are permanent....
Oct 16, 2015 ⚡ Analysis available
★★ Do 500 errors really kill your crawl budget and indexing?
Server errors (500) can slow down the crawling rate of Googlebot and lead to the removal of affected URLs from search results if they persist....
Oct 16, 2015 ⚡ Analysis available
★★★ How does Google really handle changes in site structure?
When a site changes its structure, Google manages this at the level of individual URLs. To speed up the process, redirects must be configured correctly so that Google understands the transition....
Oct 16, 2015 ⚡ Analysis available
★★★ Does Google Analytics really influence the ranking of your pages?
Google does not use data from Google Analytics, such as bounce rate or time spent on the site, as a ranking factor in search....
Oct 16, 2015 ⚡ Analysis available
★★★ Does Google really view all your redirects the way you think it does?
Google does not blindly treat all redirects the same. If a redirect is used instead of a 404 to avoid addressing a temporary issue or to hide a missing page, it could be considered a soft 404....
Oct 16, 2015 ⚡ Analysis available
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