What does Google say about SEO? /
This category compiles all official Google statements regarding links and their role in search engine optimization. Backlinks have always been a cornerstone of Google's ranking algorithm, though guidelines continue to evolve. Here you'll find Google's positions on link building strategies, acceptable practices versus manipulative techniques, proper use of nofollow and dofollow attributes, and official guidance on private blog networks (PBN) and guest blogging approaches. SEO practitioners will discover authoritative recommendations on anchor text optimization, toxic link management through the disavow tool, and the significance of internal linking for site architecture. Google regularly communicates about backlink quality, emphasizing relevance and natural link profiles over sheer volume. Understanding these official declarations is crucial for developing compliant netlinking strategies, avoiding algorithmic or manual penalties, and effectively optimizing PageRank flow throughout your website. This documentation helps search marketers separate myths from facts regarding outbound links impact, various link types, and acquisition techniques endorsed by the search engine. Whether you're addressing linkspam concerns or building sustainable link equity, these official statements provide the authoritative foundation for modern link-based SEO strategies.
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★★ Should you really worry about product duplication with infinite scrolling?
For an e-commerce site, if page 2 loads products from page 1 (infinite scroll), it is not an SEO problem. Google is looking for links to product pages, and finding them duplicated across multiple pagi...
John Mueller Sep 14, 2020
★★★ Do internal links really play a role in Google ranking?
Creating internal links from old pages to new or relevant pages improves SEO. This helps Google crawl the site, understand which pages are important (the most linked), and better distribute internal a...
John Mueller Sep 14, 2020
★★ Is it true that a JavaScript migration can ruin your indexing due to cache issues?
During a domain migration of a client-side JavaScript site, Google may struggle to render pages correctly if JavaScript resources are cached from the old URL. This can lead to rendering failures and i...
John Mueller Sep 14, 2020
★★ Can switching your WordPress theme really sabotage your SEO?
Changing a site's theme can have an SEO impact not through speed, but through the alteration of internal linking and the presentation of content. For example, a central image changing to a thumbnail c...
John Mueller Sep 14, 2020
★★★ Are guest posts considered a shady link scheme by Google?
Guest posts are acceptable if the author seeks to reach an audience (advertising, notoriety) and does not care about the nofollow. If the sole motivation is to obtain a dofollow link in exchange for t...
John Mueller Sep 14, 2020
★★ Do Google’s core updates truly follow a predictable schedule?
Core updates do not follow a precise timeline and are not limited to a single algorithm. They can include changes in how links are treated, and Google continuously processes new links, not just during...
John Mueller Sep 14, 2020
★★★ Can a blog on a subdomain really pass SEO authority to the main site?
For a blog on a subdomain (e.g., Shopify + WordPress) to pass authority to the main site, Google primarily relies on internal links and the fact that both are on the same root domain. Similar design o...
John Mueller Sep 14, 2020
★★★ Could cleaning up your artificial backlinks really cause your Google rankings to plummet?
When cleaning up after a manual action related to artificial backlinks, the site may see a drop in rankings because it was previously ranked in an artificial situation. After correction, the ranking r...
John Mueller Sep 14, 2020
★★★ Does Google Really Flag Domains as "Toxic" in Its Algorithm?
John Mueller explained on Twitter that Google doesn't have a "flag" indicating that a domain name is toxic: "We don't have a concept of a toxic domain. It's good to use tools to work on your site, but...
John Mueller Sep 09, 2020
★★ Do uppercase URLs really create duplicate content that Google penalizes?
Google treats URLs as case-sensitive. Identical URLs with uppercase/lowercase variations create technical duplicate content. Small sites manage this easily, but very large sites must normalize via con...
John Mueller Sep 04, 2020
★★★ How can you balance internal navigation to maximize both crawling and ranking?
Internal navigation serves two purposes for Google: enabling complete discovery of site pages and understanding which pages are important and how they are interconnected. It is essential to find a bal...
John Mueller Sep 04, 2020
★★ Can your staging URLs be indexed even without any links pointing to them?
Even without visible links, development URLs can be discovered by Google through browser extensions that track website popularity or through public mailing lists where developers share links via email...
John Mueller Sep 04, 2020
★★ Is the URL Parameters Tool in Search Console really unnecessary for your e-commerce site?
For most e-commerce sites, the URL Parameters Tool is unnecessary if canonicals, noindex, and internal links are correctly configured. It is really only useful for very large sites experiencing a surg...
John Mueller Sep 04, 2020
★★★ Do Links from Wikipedia Really Impact Your Google Rankings?
John Mueller explained on Reddit that links from Wikipedia to your site have no impact on your visibility in Google. And even more so for links created artificially and/or automatically on the online ...
John Mueller Aug 31, 2020
★★★ Does migrating to a new domain really erase SEO penalties and bad signals?
Migrating to a new domain to evade low-quality content or spammy links does not work. Google continually evaluates content, and low-quality material remains poor regardless of where it’s moved. Some s...
Martin Splitt Aug 27, 2020
★★ How long does it really take to transfer SEO signals during a migration?
The speed of signal transfer depends on the site's crawl budget, crawl frequency, and the number of external links. This can take anywhere from one day to several weeks depending on these factors. Sit...
Martin Splitt Aug 27, 2020
★★★ How Does Google Actually Determine the Canonical URL of Your Pages?
John Mueller provided on Twitter a list of criteria that Google takes into account to define what the canonical URL of a page is (and therefore its "canonicalization"): redirects, internal links, exte...
John Mueller Aug 24, 2020
★★ Is it really necessary to nofollow site-wide links to your legal pages to optimize PageRank?
Having 10 links instead of just one to a legal page (privacy, contact) on every page of the site probably wouldn't change anything. Google understands that these pages are linked everywhere without be...
John Mueller Aug 21, 2020
★★★ Do internal 301 redirects really dilute PageRank?
If your internal links point to URLs that redirect via 301, Google follows the redirect, identifies the final URL as canonical, and treats the link as if it points directly to the destination. No loss...
John Mueller Aug 21, 2020
★★ Are sitemaps really essential for Google indexing?
Google discovers new URLs through various means: internal links, RSS feeds, tweets, public mailing lists, external links. The sitemap is not the only source. Google does not guess URLs; it must find t...
John Mueller Aug 21, 2020
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