What does Google say about SEO? /
This category compiles all official Google statements regarding its ranking algorithms and their successive updates. Algorithms form the foundation of the search engine and determine website visibility in search results. Here you'll find Google communications about Core Updates, those major algorithm refreshes deployed several times yearly, alongside historical algorithms such as Panda (content quality), Penguin (link spam), Hummingbird (semantic understanding), and artificial intelligence innovations like RankBrain and BERT. SEO professionals will discover official positions on recent thematic updates including the Helpful Content Update, designed to reward genuinely useful content for users, and Spam Updates targeting manipulative practices. Understanding Google's official statements about these algorithms is crucial for anticipating ranking fluctuations, adapting SEO strategies to search engine evolution, and aligning practices with official recommendations rather than relying on speculation or misinformation. This resource helps practitioners distinguish between confirmed algorithmic factors and industry myths, enabling data-driven optimization decisions. Whether responding to sudden traffic changes or planning long-term SEO strategies, these official declarations provide the authoritative foundation needed for effective search engine optimization in an ever-evolving digital landscape.
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★★★ Does URL Architecture Really Impact Your Google Rankings?
John Mueller indicated on Twitter that the URL structure (the fact that the hierarchy is shown in a page's address, as opposed to a site where all URLs would be at the root level, for example), has on...
John Mueller Aug 21, 2017
★ Are PBNs Really Detected and Penalized by Google?
John Mueller indicated in a hangout that Google's algorithms detect PBNs without too much difficulty and, for those that slip under the radar, the "webspam team" loves diving into them......
John Mueller Aug 14, 2017
★★★ Does CSS File Size Really Impact Your SEO Rankings?
John Mueller indicated on Twitter that the size of a stylesheet (CSS) file does not impact the search engine's algorithm. It can be several tens of MB....
John Mueller Aug 14, 2017
★ Does disavowing poor-quality backlinks really carry a negative impact?
Gary Illyes indicated on Twitter that a disavowed site, therefore designated as providing low-quality links, was not negatively impacted subsequently by Google's algorithm. The links it provides are s...
Gary Illyes Aug 14, 2017
★★★ What really happens when noindex and canonical contradict each other on the same page?
The simultaneous use of a rel=canonical and a noindex tag can cause confusion for our algorithms. However, we generally try to follow the rel=canonical, assuming that it is an error or an attempt to e...
John Mueller Aug 11, 2017
★★★ Why does Google suddenly reevaluate the perceived quality of your site?
If your site is experiencing changes in visibility, it may indicate that our quality algorithms are reevaluating your site based on new perceived quality criteria....
John Mueller Aug 11, 2017
★★★ Is it true that Private Blog Networks (PBNs) are really detected and ineffective for SEO?
Private Blog Networks (PBNs) are indeed detected by our algorithms and the spam-fighting team, and they do not positively affect your ranking....
John Mueller Aug 11, 2017
★★ With hundreds of updates each year, how can you anticipate their effect on your rankings?
Google updates its algorithms several hundred times a year. These changes can affect site positions in varying ways, depending on the queries and industries involved....
Google Aug 08, 2017
★ Do Google's Quality Raters Really Influence Your Site's Rankings?
John Mueller indicated in a hangout that quality raters were there primarily to evaluate and even help correct Google's algorithms, but that their purpose was not to assess the sites appearing in sear...
John Mueller Aug 07, 2017
★★★ Should You Really Place Optimized Text Below Your Footer to Boost SEO?
An internet user pointed out to Gary Illyes - with examples - that certain "SEO experts" were placing several sentences (clearly intended for Google optimization) below the footer of their pages and a...
Gary Illyes Aug 07, 2017
★★★ Do Google quality raters really affect your rankings?
Quality raters do not have a direct impact on search result rankings. They evaluate Google's algorithms rather than individual websites, although they may influence future algorithm updates....
John Mueller Aug 02, 2017
★★★ Is Panda really operating continuously or is Google hiding something from us?
Panda quality signals are updated continuously, not on a specific date. This means that the impacts are not related to one-off refreshes....
John Mueller Aug 02, 2017
★★★ Do Sticky Footers Actually Harm Your Site's SEO Performance?
Gary Illyes responded on Twitter to a webmaster asking about "sticky footers" - the page footer that remains displayed on screen even when users scroll up or down through the content. In short, the fo...
Gary Illyes Jul 31, 2017
★★ Does Google Analytics Really Impact Your Website's Rankings?
Gary Illyes explained on Twitter that Google's relevance algorithm doesn't use any information from Google Analytics to measure the relevance of a page. Why would it anyway, since Chrome provides all ...
Gary Illyes Jul 10, 2017
★★★ Does RankBrain really change the way we understand ambiguous queries?
RankBrain helps Google understand unknown or ambiguous queries by analyzing what the user might mean, adjusting search results accordingly....
John Mueller Jul 07, 2017
★★★ Do algorithm updates really impact all websites equally?
Google regularly updates its search algorithm to enhance relevance and the quality of content shown to users. These updates do not specifically target e-commerce sites. Websites need to focus on impro...
John Mueller Jun 30, 2017
★★★ Can Google really automatically filter out all bad backlinks?
Google uses algorithms to automatically ignore suspicious or low-quality links that could harm a site's ranking if they were not created by the site owner....
Google Jun 28, 2017
★★★ Should You Really Use URL Parameters in Search Console?
Gary Illyes explained on Twitter that the indications provided by webmasters in the "URL Parameters" section of Search Console were directives followed by the search engine's algorithms, and that you ...
Gary Illyes Jun 26, 2017
★★ Does Google manually correct search results based on internal reports?
Google has an internal form for reporting inappropriate or low-quality results. Part of the improvement relies on algorithmic adjustments designed to deliver better outcomes....
John Mueller Jun 26, 2017
★★ How Is Google Rolling Out Mobile First Indexing Site by Site?
John Mueller indicated on Twitter that Google was considering launching the Mobile First index site by site, as soon as the algorithm determines that the site in question will be ready for it. Therefo...
John Mueller Jun 26, 2017
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