What does Google say about SEO? /
Domain age and historical factors remain hotly debated topics in the SEO community. This category compiles Google's official statements regarding how domain age, history, and accumulated reputation influence search rankings. SEO professionals frequently question whether the sandbox effect truly exists for new websites, whether older domains hold inherent advantages, and how a site's history impacts current performance—including previous ownership changes, past penalties, and archived content. Google representatives have consistently addressed these concerns, particularly regarding the concept of trust built over time. Understanding these official positions helps practitioners separate persistent myths from actual ranking factors recognized by Google's algorithms. This knowledge proves invaluable when acquiring expired domains, conducting site migrations, or implementing rebranding strategies where historical signals can significantly impact future SEO performance. These declarations provide clarity on what truly matters: quality content and user experience rather than mere domain age, helping SEO specialists make informed strategic decisions based on verified information rather than speculation or outdated assumptions about temporal ranking factors.
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★★ Why does Google keep crawling outdated 404 URLs on your site?
It is normal for Google to check old URLs that return 404 from time to time, even after years. This is not a sign of a problem, just the systems ensuring nothing is missed. Old sites naturally accumul...
John Mueller Feb 05, 2021
★★★ Does Google really impose page-by-page granular penalties instead of site-wide ones?
Google does not have different levels of demotion at the site level (either everything gets demoted or nothing). The approach is as granular as possible, page by page. There is a smooth transition rat...
John Mueller Feb 05, 2021
★★ Why do PageSpeed Insights and Googlebot show different results for your site?
PageSpeed Insights is based on Chrome, not Googlebot. Googlebot also uses Chrome for rendering but must obey robots.txt for all embedded content (CSS/JS), unlike PageSpeed Insights. The differences be...
John Mueller Feb 05, 2021
★★★ Do user comments really count for SEO?
Google considers comments as part of the page content. While recognized as the comments section, they are treated slightly differently. If users find your pages through the comments, deleting those co...
John Mueller Feb 05, 2021
★★★ Do You Really Need to Pass All 3 Core Web Vitals to Get an SEO Boost?
John Mueller also explained in a webmaster hangout that, as part of the rollout of the "Page Experience / Core Web Vitals" project next May, all 3 KPIs (FID, CLS, LCP) will need to be met with positiv...
John Mueller Feb 01, 2021
★★★ Are Press Relations Really Compliant with Google's Link Building Guidelines?
John Mueller reminded us on Twitter that conducting quality Press Relations to obtain links is not a problem—quite the contrary: "I love some of the things I see in public relations, it's a shame they...
John Mueller Feb 01, 2021
★★★ Should You Avoid Publishing a Video and Its Transcript on Your Site for Fear of Duplicate Content?
John Mueller also explained in a webmaster hangout that the definition of "duplicate content" does not apply to content available on one side in text form on a web page and on the other side in a vide...
John Mueller Feb 01, 2021
★★★ Does Google really transfer all signals in bulk during a complete site migration?
During a complete site migration, if Google can recognize that all indexable content has been moved, it transfers all signals in bulk to the new domain. This is more efficient than a partial migration...
John Mueller Jan 29, 2021
★★ Do cookie banners really affect your Core Web Vitals score?
Google does not differentiate between GDPR-compliant cookie banners and other page elements for speed calculation. Even if legally required, a CMP banner that slows down loading or causes layout shift...
John Mueller Jan 29, 2021
★★★ Why does Google favor a pyramid structure over a flat architecture?
A pyramid website structure helps Google better understand the context and relationships between pages than a flat structure. With a flat structure where all pages are at the same level, Google cannot...
John Mueller Jan 29, 2021
★★★ Do structured review data really enhance your SEO?
Structured review data is used to display rich results in search, but does not constitute a ranking factor. Adding additional optional fields does not improve positioning; only required fields are nee...
John Mueller Jan 29, 2021
★★★ Can speed really hurt your SEO with Core Web Vitals?
Speed is currently used as a ranking signal for mobile. In May 2021, with the rollout of Core Web Vitals, this signal is likely to be reinforced. However, content relevance remains paramount: a highly...
John Mueller Jan 29, 2021
★★ Is it true that Google never disconnects your old pages during a migration?
During a migration, Google does not de-index the old page before re-indexing the new one. The process works via canonical change: Google sees the redirect, checks that the content is identical, and sw...
John Mueller Jan 29, 2021
★★ Should you really pay attention to the textual context around your videos for SEO?
For videos, Google has a type of structured data with fields for descriptions and titles. Similar to images, the textual context surrounding the video (caption, section title) also helps Google unders...
John Mueller Jan 29, 2021
★★★ Does a website that changes ownership inherit Google penalties?
When a site changes ownership and domain, Google does not apply previous manual actions to the new owner. If no manual action appears in Search Console, the site is treated as normal. Algorithms evalu...
John Mueller Jan 29, 2021
★★★ Subdomains vs Subdirectories: Is there really an SEO advantage to favoring one over the other?
Google's systems are designed to treat subdomains and subdirectories essentially equivalently. There is no automatic bonus for choosing one over the other. The choice should be based on considerations...
John Mueller Jan 29, 2021
★★★ Does duplicate content really hurt your SEO rankings?
Duplicate content does not result in a negative score. If Google finds the same content on multiple pages, it simply chooses the best matching page to display. It's normal to have shared content on ce...
John Mueller Jan 29, 2021
★★★ Do internal links between language versions really transfer PageRank?
Translated versions of content are treated as different pages and ranked individually. By creating links between language versions, some of the signals from the performing page can be distributed to t...
John Mueller Jan 29, 2021
★★ Is it true that YouTube competes with your site for video results?
When a YouTube video is embedded on a site, there are two landing pages for that video: the site's page and YouTube's page. Google must determine which one to display in video results. It's not automa...
John Mueller Jan 29, 2021
★★★ Is AMP still necessary to rank in Top Stories on mobile?
Starting with the launch of Page Experience (May 2021), AMP pages are no longer mandatory for appearing in mobile Top Stories. Non-AMP pages become eligible, and Page Experience becomes a ranking fact...
Google Jan 28, 2021
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