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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🕒 ~1 min 🎯 5 questions
★★★ Should you still trust the site: operator to diagnose your indexation status?
The numbers displayed by site: queries are not intended for diagnosis. They are not a reflection of what is actually indexed, but merely a quick approximation. The figures can be wrong by several orde...
John Mueller Mar 14, 2022
★★ Does your homepage distance really impact how fast Google indexes your pages?
Pages closer to the homepage are generally indexed faster. For most sites, the homepage is the central point, but for some, this can be a specific major category or product....
John Mueller Mar 14, 2022
★★★ Does Google really use one global index for all countries?
Google does not have separate indexes for each country. There is essentially one global index. Even though there are multiple data centers, content that is crawled and indexed in one center quickly be...
John Mueller Mar 14, 2022
★★ Does Google really segment websites by template type when evaluating Page Experience?
Google can divide a website into sections according to similar page types if sufficient data is available. For example, if all product pages are fast but another page type is slow, only that type will...
John Mueller Mar 14, 2022
★★ Can Google really index short-form videos if they have a crawlable URL?
Short-form videos can be indexed by Google if they are accessible via a URL, even if they are primarily viewed in mobile applications....
Danielle Marshak Mar 10, 2022
★★ Does JavaScript package size really impact your SEO rankings?
The size of JavaScript packages added to a page impacts performance, loading time, and user experience, which can negatively affect your SEO score and index rating if the packages are too large....
Martin Splitt Mar 09, 2022
★★★ Are accordions and collapsible content still hurting your mobile SEO rankings?
With mobile-first indexing, Google has become more tolerant of certain elements like accordions or collapsible content, since mobile screens have limited space. These elements do not penalize your SEO...
Martin Splitt Mar 09, 2022
★★★ Should You Still Be Using Google's Disavow Tool in 2024?
John Mueller explained on Twitter that Google doesn't use the disavow file submitted by webmasters to discover spammy links or link networks. Why? Simply because, according to him, "fake link networks...
John Mueller Mar 07, 2022
★★ Do links from a subdomain to the main domain carry less SEO value?
Google does not make a marked distinction between internal and external links concerning subdomains. A link from a subdomain blog to the main domain is simply considered a link from one page to anothe...
John Mueller Mar 05, 2022
★★ Can you host your XML sitemap on a different domain than your main website?
It is entirely possible to host sitemap files on a different domain. Two methods work: having both domains verified in Search Console, or submitting the sitemap via robots.txt with 'sitemap:' followed...
John Mueller Mar 05, 2022
★★★ Do you really need to pick one primary language per page if you're targeting multiple markets?
Google tries to understand a page's primary language to determine which search queries should display it. Pages intentionally mixing multiple languages make it harder for Google to rank the page corre...
John Mueller Mar 05, 2022
★★★ Does improving page speed really boost your rankings as fast as everyone claims?
A rapid ranking improvement after boosting page speed (from 30 to 45-50 on PageSpeed Insights) within a few days is probably not due to speed. Speed metrics are measured via the Chrome User Experience...
John Mueller Mar 05, 2022
★★ Is Google really cutting back on FAQ rich snippets in search results, and what does that mean for your SEO strategy?
Google has observed that many websites are adding FAQ markup to every page purely to occupy more space in search results. Google is therefore reducing the number of FAQ entries displayed in search res...
John Mueller Mar 05, 2022
★★★ Why is one x-default enough for your entire multi-domain hreflang configuration?
In an hreflang configuration, even across multiple domains, there must be only one x-default. For each page, all hreflang annotations must match and clearly indicate which version to show based on cou...
John Mueller Mar 05, 2022
★★ Do HTML5 <header> and <footer> tags really boost your SEO rankings?
In HTML5, you can use <header> and <footer> elements to semantically structure your page. Within these elements, you can have your own heading hierarchies. This allows for clean structure from a seman...
John Mueller Mar 05, 2022
★★ Can commodity content really survive in Google search results?
For commodity content that anyone can reproduce (public domain poems, well-known quotes, etc.), it is crucial to provide significant unique value. Sites based solely on this type of content are in a p...
John Mueller Mar 05, 2022
★★★ Can you safely use bidirectional canonicals between two site versions without any risk?
Duplicating content between two versions of a site (global and local) while providing a canonical tag is a perfect use of this tag. You don't need to apply the same direction for all content: one site...
John Mueller Mar 05, 2022
★★★ How Does Google Use URL Structure to Identify a Website's Geographic Targeting?
John Mueller explained during a webmaster hangout that Google could use country indicators in URLs to obtain information about the geographic target of pages on a site. But that these indicators (/fr/...
John Mueller Feb 28, 2022
★★★ Do you really need to repeat your keywords in titles to rank higher on Google?
Titles should use specific keywords, but you must avoid using too many repetitions of the same word or synonyms. This practice is not useful for users and can be considered spam by Google....
Google Feb 24, 2022
★★ Is regular website activity monitoring really the key to staying ahead in modern SEO?
Checking your website's activity is essential for managing an online business, comparable to weekly stock or operating cost checks, and necessary for making data-driven business decisions....
Google Feb 24, 2022
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