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 block pages receiving backlinks with robots.txt?
If a page is blocked by robots.txt, Google does not know its content and cannot indirectly transfer external links to the main content of the site. It is important to avoid blocking important pages th...
John Mueller Dec 11, 2020
★★★ What impact can changing your site's design or content have on your rankings?
Any change on a site (adding or removing text, modifying internal linking, changing the layout with different headings) must be reflected in the rankings. Retaining the URLs makes migration easier as ...
John Mueller Dec 11, 2020
★★★ Does blocking a folder via robots.txt kill the PageRank transfer to your strategic pages?
Completely blocking a folder with robots.txt prevents Google from knowing the content of the pages. If external links point to these blocked pages, Google cannot indirectly transfer those links to the...
John Mueller Dec 11, 2020
★★★ Does every change to content or design really affect SEO rankings?
Any change on a website (adding/removing text, modifying internal linking, changing layout affecting headers) must be reflected in rankings. Keeping the same URLs helps preserve signals, but Google mu...
John Mueller Dec 11, 2020
★★★ How does Google choose the canonical URL among more than 20 signals?
Google uses over 20 different signals to determine which page should be selected as the canonical URL in a cluster of duplicates. These signals include content, PageRank, HTTPS, sitemaps, and redirect...
Gary Illyes Dec 10, 2020
★★★ Does PageRank really function the way we think it does?
Google still uses the original PageRank algorithm since 1996-97, but it has been significantly enhanced: more robust and less costly to execute. PageRank is now an integer ranging from 0 to about 65,0...
Gary Illyes Dec 10, 2020
★★★ Can the canonical tag really be ignored by Google?
The link rel canonical tag is a strong signal to indicate to Google which URL should be canonical, as it represents an explicit specification from the author. However, it is part of a set of weighted ...
Gary Illyes Dec 10, 2020
★★★ Does client-side JavaScript really enhance your SEO strategy?
Google can perfectly index and rank sites using client-side JavaScript, but developers should only use it when absolutely necessary. For simple sites like blogs or marketing sites, server-side renderi...
Martin Splitt Dec 10, 2020
★★★ Is PageRank still influencing the selection of canonical URLs?
PageRank is still used by Google as one of the signals to determine which page should become canonical among a group of duplicate pages, even after all these years....
Gary Illyes Dec 10, 2020
★★★ Should you really give up buying quality links for your SEO?
You should not buy links, whether from link farms or even high-quality sources. A few high-quality links increase PageRank more effectively than many low-quality links....
Gary Illyes Dec 10, 2020
★★ Does SSR with Hydration Really Solve All JS Crawl Issues?
Server-side rendering with hydration allows for generating static HTML on the server for speed, then loading JavaScript in the browser for dynamic features. This combines the advantages of both approa...
Martin Splitt Dec 09, 2020
★★ Is your API usage secretly draining your crawl budget?
For sites sensitive to crawl budget, client-side JavaScript with multiple API requests (e.g., 5 requests per page on 10 million pages) counts against the crawl budget and can accumulate quickly....
Martin Splitt Dec 09, 2020
★★★ Are Office Hours truly the best channel to ask your SEO questions to Google?
John Mueller's Office Hours (roughly weekly) are the recommended channel for asking SEO questions. You can post on YouTube or join the video call directly. The recordings are then published. Links ava...
Gary Illyes Dec 09, 2020
★★ Does Search Console really lack privileged support from Google?
Search Console is a search product and is thus governed by the Fair Results Policy. Google cannot provide privileged assistance for the verification or use of Search Console, even though this frustrat...
Gary Illyes Dec 09, 2020
★★ Is SSR with hydration really the best of both worlds for SEO?
Server-side rendering with hydration allows for generating static content on the server for speed, then loading JavaScript in the browser for dynamic parts. This provides the benefits of both approach...
Martin Splitt Dec 09, 2020
★★★ Should you really prioritize server-side rendering over JavaScript for critical SEO content?
For content you consider important for SEO, it is better to manage it server-side rather than client-side with JavaScript. This gives you more control over what is indexed and how it happens, especial...
Martin Splitt Dec 08, 2020
★★★ Should you really mark all comment links with rel=UGC?
For links in comments (user-generated content), it is recommended to use the rel=UGC attribute, or at minimum rel=nofollow, in order to comply with Google's guidelines and indicate that these links ar...
Gary Illyes Dec 08, 2020
★★★ Is third-party client-side JavaScript sabotaging your Google indexing?
When a site uses client-side JavaScript to load critical content from third-party sources (like comments), Google may face indexing issues if the third-party service is overloaded or blocks bots. It i...
Martin Splitt Dec 08, 2020
★★ Is footer content really useless for Google SEO?
Google detects that footer content, which typically contains a lot of links, is not very useful for users. As a result, this content does not significantly help in ranking in search results....
Gary Illyes Dec 08, 2020
★★ Should we expect a shake-up of nofollow links in Google’s algorithm?
Gary Illyes is working on three sub-projects testing the use of nofollow links. If any of these are launched, Google will announce it publicly as a ranking official has requested public communication....
Gary Illyes Dec 07, 2020
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