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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★★★ Why does Google overlook robots.txt files located in subdirectories?
Google only reads the robots.txt file from the root directory of a domain or subdomain. Robots files in subdirectories are not considered....
John Mueller Jun 29, 2017
★★★ Does PageSpeed Insights truly reflect Google's ranking criteria?
PageSpeed Insights and Test My Site are two tools for measuring a site's speed, but Google uses its own metrics to assess website speed in search rankings. Focus on speed to provide a better user expe...
John Mueller Jun 29, 2017
★★ How long does it take for Google to index JavaScript rendering?
When it comes to JavaScript sites, Google clarifies that indexing the generated content may take some time but does not extend over weeks. After crawling, JavaScript rendering quickly follows in the i...
Google Jun 28, 2017
★★★ Are Dropdown Menus Actually Crawled Like Any Other Internal Link?
Google treats links in dropdown menus like any other internal links as long as they are present in the HTML when the page is loaded. Make sure these links do not depend on a JavaScript request to appe...
John Mueller Jun 26, 2017
★★★ Does Google really index JavaScript just like any HTML page?
Google indexes and renders JavaScript pages like any other page. It's advisable to use the Fetch and Render tool in Search Console to verify their indexing....
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
★★★ Does Google really index JavaScript, or should you be cautious about it?
Google generally renders and indexes JavaScript pages, but the process can involve a temporary lag. Use the Fetch and Render tool in Search Console to check the rendering of your pages. Any issues sho...
John Mueller Jun 26, 2017
★★★ Is JavaScript really blowing your crawl budget?
The crawl budget is measured by requests made to the server, including JavaScript, CSS, and image files. Google uses an aggressive cache to minimize the impact on the server, but URL versioning can he...
John Mueller Jun 26, 2017
★★★ How does Googlebot actually calculate your crawl budget?
Googlebot counts every request made to the server, including images, JavaScript, and CSS files for the crawl budget calculation. However, Google uses aggressive caching to reduce repetitive requests....
John Mueller Jun 26, 2017
★★★ How Long Does It Really Take for Google to Process a Site Migration?
Gary Illyes explained at the SMX Advanced conference that processing a site migration (domain name change and/or URL structure change) by Google can take 3 months, depending on the site's size, and no...
Gary Illyes Jun 26, 2017
★★ Will featured snippets really expand beyond just definitions?
Although Google can't ensure a rapid increase in featured snippets, the team is working to broaden their scope, especially in other types of searches beyond just definitions....
John Mueller Jun 26, 2017
★★★ Can you really combine rel=next/prev and noindex without sacrificing your crawl budget?
It is possible to use the combination of rel=next/prev and noindex for subsequent pages. However, noindex pages will no longer appear in search results, which may be acceptable if other pages are inte...
John Mueller Jun 26, 2017
★★ Why doesn't Google guarantee an increase in featured snippets?
There is no guarantee that Google will quickly increase the number of featured snippets in search results. This is an area the team is working on, but it depends on many factors, including language....
John Mueller Jun 26, 2017
★★ Should You Create a Specific Meta Tag to Optimize Your Content for Featured Snippets?
Gary Illyes explained at the SMX Advanced conference that Google would not be offering specific data on the appearance of your site's content in featured snippets in the Search Console in the short te...
Gary Illyes Jun 19, 2017
★★★ Is it essential to use the address change tool in Search Console during a domain migration?
The address change tool in Search Console helps better understand and manage site migrations by indicating to Google that an entire domain should be transferred to a new one....
John Mueller Jun 16, 2017
★★★ Should you sacrifice content to improve loading speed?
Making a page faster by removing important content is not a good strategy for ranking. A fast page without relevant content will underperform in the rankings....
John Mueller Jun 16, 2017
★★ Should you still disavow your spammy backlinks, or does Google really handle it for you?
While Google automatically handles many spammy links, the disavow tool allows webmasters to regain control by removing questionable links from the equation....
John Mueller Jun 16, 2017
★★ How can sitemaps speed up the indexing of your expired content?
The ideal solution for regular updates and expired content is to automate the generation and submission of sitemap files so that Google can quickly update its indexes....
John Mueller Jun 16, 2017
★★★ Can Google really display as many results as it wants from the same domain in SERPs?
Google can display multiple results from the same domain in search result pages if it seems relevant to the user's query. There is no strict limit and it depends on the algorithm's perception of relev...
John Mueller Jun 16, 2017
★★ Why does above-the-fold loading time overshadow total page loading time?
For SEO, the speed at which above-the-fold content loads is more critical than the total page loading time. Google focuses on the speed of initial rendering for a better user experience....
Google Jun 15, 2017
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