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
★★★ Do duplicated navigation links on every page really harm SEO?
Duplicating links like 'Contact Us' on every page does not negatively affect SEO. Important links must simply be followed without a nofollow....
Sep 23, 2016 ⚡ Analysis available
★★★ Should you really allow Googlebot to explore your parameterized URLs?
It is advised not to block parameterized URLs using robots.txt, but to allow Googlebot to explore them to understand canonical relationships and prevent indexing unnecessary pages....
Sep 23, 2016 ⚡ Analysis available
★★ Do legal mentions really affect organic SEO?
Local regulations, such as legal mentions, are usually not verified by Google’s SEO algorithms but can influence user perception of a site's professionalism....
Sep 23, 2016 ⚡ Analysis available
★★ Can you change your product range without damaging your SEO?
Shifting the focus of products on a site is normal and should not negatively impact the SEO of the new products if the content is truly relevant....
Sep 23, 2016 ⚡ Analysis available
★★ Is Google Trends Really Enough to Identify the Right Keywords?
Google recommends using tools like Google Trends to understand what users are searching for, especially after changes to the AdWords keyword tool. Customer feedback can also be collected through surve...
Sep 23, 2016 ⚡ Analysis available
★★ Do social networks really influence Google rankings?
Social media pages are treated like standard pages by Google. Their ranking depends on the content and the signals we gather, not the specifics of the platform....
Sep 23, 2016 ⚡ Analysis available
★★ Are links from authoritative sites really more powerful for SEO?
Google assesses links based on various signals and not just on the perceived quality of the sites they come from. Even a link on a high-quality site can be considered weak if its placement is negligib...
Sep 23, 2016 ⚡ Analysis available
★★★ Should you really be worried about 404 errors on your website?
404 errors typically do not present a major issue. Google will continue to try to crawl them over time, without significant direct impact on SEO....
Sep 23, 2016 ⚡ Analysis available
★★★ Do 503 errors really make your pages disappear from Google?
Server errors like 503 are treated as temporary by Google, but if they persist, it can lead to the removal of pages from the index....
Sep 23, 2016 ⚡ Analysis available
★★ Can Google really index your critical changes in just minutes?
Google is able to quickly index pages for significant changes in some cases, but this depends on the nature of the page and the usual frequency of updates....
Sep 23, 2016 ⚡ Analysis available
★★ Is it really necessary to recover an old Search Console account to verify a site?
It is not necessary to regain access to a previous account for the Search Console. You just need to verify the site again with a new account....
Sep 23, 2016 ⚡ Analysis available
★★★ Should you really leave follow links on noindex pages?
It is advised to allow links to be followed on search result pages while marking them as noindex. This helps Google discover detailed pages of the site without indexing them....
Sep 23, 2016 ⚡ Analysis available
★★★ Should you index the internal search results pages of your website?
Google permits the indexing of internal search results pages if they are limited to useful results and do not overwhelm the server. Ideally, these pages should resemble category pages....
Sep 23, 2016 ⚡ Analysis available
★★ Should you really worry about duplicate title errors in Search Console?
Notifications of duplicate titles in HTML errors from Search Console are often due to paginated pages using the rel=prev/next tags. This does not require urgent action as it is mainly for informationa...
Sep 22, 2016 ⚡ Analysis available
★★ Why are your XML sitemaps showing up in search results, and how can you stop it?
To avoid XML sitemap files appearing in search results, it is recommended to use an X-Robots-Tag noindex in the HTTP header of the XML data....
Sep 22, 2016 ⚡ Analysis available
★★ Is it really necessary to sacrifice visual quality to save a few milliseconds?
Page loading speed is a ranking factor, but it is not always the most important one. Optimizing image quality may have a more significant impact, particularly for image search....
Sep 22, 2016 ⚡ Analysis available
★★★ Should you really limit structured data to a single product per page to get rich snippets?
Structured data should be used on pages that highlight a single product or service to be eligible for rich snippets. It is not advisable to tag multiple product or service listings on the same page....
Sep 22, 2016 ⚡ Analysis available
★★ Should you really fix every crawl error in Search Console?
Crawl errors can appear suddenly, often due to new crawls of old content. These usually disappear over time without the need for intervention....
Sep 22, 2016 ⚡ Analysis available
★★★ Does Google really merge your multilingual content into a single ranking entity?
When sites present the same content in different countries, such as Germany and Austria, Google may merge them into a single entity for ranking signals. Using hreflang and ensuring regional difference...
Sep 22, 2016 ⚡ Analysis available
★★★ Is mobile compatibility really essential for ranking at the top?
Mobile friendliness is a ranking factor among over 200 factors, but it is not the only determinant. A site can rank high even if it is not optimized for mobile....
Sep 22, 2016 ⚡ Analysis available
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