What does Google say about SEO? /
This category compiles all official Google statements regarding JavaScript and technical aspects of search engine optimization. Modern JavaScript frameworks (React, Angular, Vue.js) and web application architectures (SPA, SSR, CSR) present critical challenges for crawling and indexing. Google's guidance on JavaScript rendering, dynamic DOM manipulation, AJAX implementation, and API calls is essential for ensuring client-side content visibility. SEO professionals will find authoritative positions on implementation best practices, differences between server-side and client-side rendering, and recommendations for optimizing load times while guaranteeing content accessibility to search crawlers. Understanding data formats (JSON, XML) and their SEO implications completes this vital resource. These official declarations help prevent common technical implementation mistakes that can severely impact the search performance of modern websites and JavaScript-powered applications. Access to Google's verified positions on these technical matters enables practitioners to make informed architectural decisions and implement JavaScript solutions that maintain strong organic search visibility while delivering enhanced user experiences.
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★★★ Do JavaScript Links Actually Pass PageRank and SEO Value?
A user asked Google whether links placed in code using <div href> + JavaScript were recognized by the search engine. John Mueller indicated that while these links could be used to identify certain URL...
John Mueller Jul 16, 2018
★★★ Should You Worry If Competitors Use Domain Names Similar to Yours?
Again John Mueller who, in a hangout, explained that each website was treated uniquely and that if several sites had very similar domain names (example: abondance.com, e-abondance.com, aboundance.com ...
John Mueller Jul 16, 2018
★★★ Can 500 Errors Really Slow Down Google's Crawling of Your Site?
John Mueller explained on Twitter that when a server returns numerous 5xx errors (500 or similar), it can cause crawling problems. Indeed, in this case, Googlebot's crawl is slowed down and exploratio...
John Mueller Jul 16, 2018
★★★ Are Links in Press Releases Still Effective for SEO?
Interesting remark from John Mueller in a hangout: when Google detects that a web page is republishing a press release, most of the links it contains are ignored by the search engine....
John Mueller Jul 02, 2018
★★★ Is it true that Google really ignores blackhat SEO techniques or does it still penalize them?
Google is actively working to ignore observed blackhat SEO techniques. Reports to the spam detection team help identify large problematic patterns, even though each report does not lead to an immediat...
John Mueller Jun 29, 2018
★★★ Is it truly necessary to separate multilingual content page by page to rank?
It is advisable to separate content by language onto distinct pages to avoid any confusion regarding the primary language of the content from Google's perspective and to maximize the relevance of sear...
John Mueller Jun 29, 2018
★★★ Does Google really treat all dynamically generated links in JavaScript the same way?
Google can follow links generated via JavaScript, but it is recommended that JavaScript does not contradict static HTML content, especially for directives like rel='nofollow'....
John Mueller Jun 29, 2018
★★★ Can Keyword Stuffing Really Get Your Site Blacklisted by Google?
John Mueller explained on Twitter that "keyword stuffing" techniques do not result in a site being "blacklisted" and that Google now has enough experience in this area to simply ignore texts containin...
John Mueller Jun 25, 2018
★★★ How Long Does It Really Take to Deindex a Page Through Search Console?
Google indicated on Twitter that the deindexing of a page, when requested through Search Console, is completed in less than a day....
Google Jun 25, 2018
★★★ Are country-specific domains (ccTLDs) really essential for international SEO?
Google does not necessarily recommend using country-specific domains. Subdirectories can work just fine if it is clear to the user....
Google Jun 19, 2018
★★★ Should You Really Geolocate Your Subdomains and Subdirectories in Search Console?
Google enables the geolocation of subdomains or subdirectories separately via Search Console. This serves as an indication, not a strict limitation, for targeting users in a specific country....
Google Jun 19, 2018
★★★ Should you choose subdirectories or separate domains for a multilingual site?
Google recommends structuring multilingual sites with subdirectories or domains based on what is simplest for the site administrator to manage. It is important that the structure is clear to the user ...
Google Jun 19, 2018
★ Does the Order of URLs in an XML Sitemap Actually Affect Google's Crawling?
Once again, it's John Mueller (since Gary Illyes no longer seems to talk about SEO online at all, which, let's be honest, is no great loss...) who explains that the order of URLs provided in an XML Si...
John Mueller Jun 18, 2018
★★★ Should You Use HTML or XML Sitemap for Hreflang Tags?
John Mueller indicated on Twitter that Hreflang tags are processed in the same way, whether they are integrated into the source code of pages or in XML Sitemap files....
John Mueller Jun 18, 2018
★★★ How long should you really wait before a new site starts receiving organic traffic?
For a new site, well-written content can appear quickly in search results, but competition in a popular niche can prolong this timeframe....
John Mueller Jun 15, 2018
★★ Will Google's Web Light transform your pages without your consent?
Web Light is used to provide a faster version of pages for devices with low connectivity. Dynamic sites will not be affected....
John Mueller Jun 15, 2018
★★★ Should you really keep 301 redirects active for a year after a site migration?
It is recommended to maintain 301 redirects for at least one year when moving sites to ensure that Google understands that the content on the new domain is the same as that on the old one....
John Mueller Jun 12, 2018
★★★ Do Search Console impressions really count as you think?
Impressions in Google Search Console are counted only when your site’s URL is actually seen by the user, not for unviewed search results pages....
John Mueller Jun 12, 2018
★★★ Do hash fragments (#) in URLs really prevent Google from indexing them?
Google generally does not consider URLs with hash fragments (#) for indexing. It is advisable to use the HTML5 History API for navigation in JavaScript applications so that Google can properly index t...
John Mueller Jun 12, 2018
★★★ Should You Block Certain CSS or JavaScript Resources to Improve Your Site's SEO?
Once again, John Mueller explains in a hangout that he doesn't recommend blocking resources solely for Google, as this can affect how the search engine "sees" the page. And this can therefore modify i...
John Mueller Jun 06, 2018
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