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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★★★ Where should you place JSON-LD in your HTML code: <head> or <body>?
JSON-LD, to be processed by Google, can be inserted in either the <head> or <body> element of a web page....
John Mueller Sep 11, 2019
★★★ What structured data format should you prioritize to boost your chances of appearing in Google's rich results?
Google supports JSON-LD, Microdata, and RDFa for processing structured data on a web page....
John Mueller Sep 11, 2019
★★★ Can You Actually Mix Different Structured Data Formats on the Same Page?
Google's Twitter account for webmasters indicated that it was entirely possible to use different structured data tags on the same page, or even different types (for example microdata and JSON-LD)....
Google Sep 09, 2019
★★★ How Does Google Actually Choose Which Canonical URL to Index When Multiple Versions Exist?
John Mueller, in a new video from his #AskGoogleWebmasters channel, explains how Google selects canonical URLs. Indeed, in many cases, the search engine identifies a page offering given content (or si...
John Mueller Sep 09, 2019
★★★ Does Domain Authority (DA) Really Impact Your Google Rankings?
Google does not take third-party metrics like Domain Authority (DA) into account when ranking websites. These metrics, while informative, do not directly reflect how Google evaluates and ranks sites....
John Mueller Sep 06, 2019
★★★ Should you choose AMP or PWA to maximize your SEO performance?
Progressive Web Apps (PWAs) and AMP serve different purposes. AMP is ideal for publishing content with fast loading times, while PWAs are better suited for web applications with interactive features a...
John Mueller Sep 06, 2019
★★★ Can AI-generated content really face penalties from Google?
Automatically generated content, if it does not provide added value, can be penalized by Google. Practices such as content spinning or excessive use of automated translations are against Google's guid...
John Mueller Sep 06, 2019
★★★ Can a website migration really happen without any loss in rankings?
Website migrations can be tricky, especially when they involve changes in domains or site structure. If the migration is done well, with appropriate redirects and no significant changes to the content...
John Mueller Sep 06, 2019
★★★ Should you choose a subdomain or a subdirectory for SEO?
Google does not specifically favor high-level domains for ranking. Websites can achieve good rankings regardless of whether they are on a subdomain or a subdirectory. What matters is building the repu...
John Mueller Sep 06, 2019
★★ Do Blogs Really Rank Faster than Static Pages on Google?
Google does not distinguish between sections of a site such as blogs and guides for ranking speed. Differences may arise due to internal linking optimization....
John Mueller Sep 04, 2019
★★★ Is it really necessary to use the address change tool for migrating subdomains?
Site migrations can be handled without the Search Console's address change tool by correctly using 301 redirects....
John Mueller Sep 04, 2019
★★ Why might Google merge your JS pages if the meta tags are identical?
If Google only indexes the non-rendered version of a JavaScript page, it can lead to incorrect page merging if the meta tags are identical....
Martin Splitt Sep 04, 2019
★★★ Is it true that Google fails to index content it can't render in JavaScript?
If Google is unable to render the content when checking with Search Console tools, it is likely that this content will not be indexed....
Martin Splitt Sep 04, 2019
★★★ Is an XML Sitemap Really Essential for Your Google Rankings?
Gary Illyes (Google) indicated on Twitter that XML Sitemap files still remain the second source of URL discovery for the search engine today (he had already said this in 2014, so the situation has not...
Gary Illyes Sep 02, 2019
★★ Does Web Traffic Really Influence Google Rankings?
Google's Webmaster Twitter account indicated that traffic to a website is not a relevance criterion for Google's algorithm....
Google Sep 02, 2019
★★★ Are Multilingual Backlinks Toxic to Your SEO?
John Mueller reminded us on Twitter that getting backlinks from sites that aren't in your language isn't necessarily a spam signal indicating that these links are "toxic"......
John Mueller Aug 26, 2019
★★★ Is Two-Wave JavaScript Indexing Really Disappearing?
The need for two waves of indexing for JavaScript sites is decreasing, with Gmail leveraging the latest version of Chrome, making indexing more efficient....
Martin Splitt Aug 23, 2019
★★★ Can Google really ignore malicious redirects pointing to your site?
Google is capable of detecting malicious redirects from suspicious domains targeting a competitor and generally ignores these links to prevent any negative impact on the targeted site....
John Mueller Aug 22, 2019
★★★ How does Google decide which version of duplicated content to display in search results?
When publishing articles on multiple domains, Google first indexes the different versions and then chooses one version to display in the search results. Using a canonical tag to designate a primary ve...
John Mueller Aug 22, 2019
★★ Why does Google Search Console intentionally block the indexing of JavaScript, CSS, and image files?
Google Search Console intentionally blocks the indexing of non-HTML files like images, JavaScript files, and CSS through the URL Inspection tool, so that they do not appear in search results....
John Mueller Aug 22, 2019
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