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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★★★ Should you really allow Googlebot to access your CSS and JavaScript?
Avoid blocking resources like CSS or JavaScript files in your robots.txt file, as this can prevent search engines from properly rendering the website....
Google Aug 16, 2019
★★★ Are JavaScript Redirects Really Safe for Your SEO?
Third episode of the #AskGoogleWebmasters videos, which this time addresses the question of JavaScript redirects. John Mueller explains that Googlebot understands JS redirects well during its crawls a...
John Mueller Aug 12, 2019
★★★ Does the mobile-friendly test really guarantee the indexing of your JavaScript?
If your content is visible in Google's mobile-friendly test, it is generally well indexed. However, the mobile-friendly test does not follow the robots.txt file. Use the URL inspection tool in Search ...
John Mueller Aug 09, 2019
★★★ Should you really report your competitors' unnatural links?
Google encourages reporting unnatural linking practices through the spam form to address these behaviors. A mass report can be submitted if necessary....
Google Aug 09, 2019
★★★ Is the Search Console API misleading you about your indexed pages?
Since April, the Search Console API has had incorrect indexed count data. Be aware that this information should not be considered valid at this time....
John Mueller Aug 09, 2019
★★★ Should you avoid JavaScript for generating your meta tags?
Script-based automation of meta descriptions or titles, especially through JavaScript during rendering, can pose issues. However, generating HTML pages from Excel or server-side scripts generally does...
John Mueller Aug 09, 2019
★★★ Should you choose ccTLDs or geo-targeted subfolders for your international SEO?
ccTLDs and generic domains configured in Search Console are equivalent for targeting geographic areas, provided that the geo-targeted sections are clearly defined....
John Mueller Aug 09, 2019
★★★ Should you change your main domain in Search Console when redirecting to a subpage?
There is no need to change your main domain in Search Console if you are redirecting to a subpage. Checking the subdomain or subdirectory is optional....
John Mueller Aug 09, 2019
★★★ Are JavaScript redirects really equivalent to server-side 301s for Google?
Google supports JavaScript redirects and follows them similarly to server-side redirects. It is recommended to submit the exact URL you want indexed rather than the one that redirects....
John Mueller Aug 08, 2019
★★★ Are JavaScript onclick links actually indexed by Google?
Google can index JavaScript dynamically generated links if they are within a href elements. Elements manipulated solely by onclick events may not be indexed....
John Mueller Aug 08, 2019
★★ Is your ranking fluctuating based on the device? Discover why!
Differences in search results between mobile and desktop can arise from mobile-friendliness and site speed....
John Mueller Aug 08, 2019
★★★ Why Is Keeping the Same URL as Long as Possible Crucial for Your SEO?
The same John Mueller, always on Twitter, has "really recommended keeping the same URL for a web page for as long as possible."...
John Mueller Jul 29, 2019
★★★ Is it true that image lazy loading is really compatible with Google's indexing?
Using JSON or jQuery for image lazy loading can work with Google as long as the setup allows Googlebot to load images during rendering. Testing with the mobile compatibility tool can be helpful to ver...
John Mueller Jul 26, 2019
★★ Is PageRank Really Dead Since 2006, or Has It Simply Evolved?
Jonathan Tang, a former Google engineer (between 2009 and 2014) explained on a forum that Google no longer used the notion of PageRank in its algorithm since 2006. He actually clarified later that the...
Google Jul 22, 2019
★★★ Does Domain Age Really Influence Google Rankings?
John Mueller once again reiterated on Twitter that the age (seniority) of a domain name does not play a role in SEO. A new domain name will have just as much chance of ranking as an old one......
John Mueller Jul 16, 2019
★★ Is your server secretly throttling your crawl budget?
A slow server or one that produces errors can limit Google's crawl. To increase crawling, ensure that the server is fast and error-free, based on the response times indicated in the Search Console....
John Mueller Jul 12, 2019
★★★ Subdomains vs Subdirectories: Does this distinction still matter for SEO?
Google generally treats subdomains and subdirectories similarly, with signals transferred in case of redirection. Therefore, structural choices do not have a particular preference for SEO....
John Mueller Jul 12, 2019
★★ Why are your rich snippets disappearing without affecting your domain trust?
Domain trust is assessed at the site level. Some pages may not display rich snippets due to algorithmic limitations or errors without affecting the entire domain....
John Mueller Jul 11, 2019
★★★ Are emojis in meta descriptions an SEO booster or just a useless gimmick?
Google does not view the use of symbols such as emojis in meta descriptions as manipulation or spam. It does not harm the site's ranking, but may not provide any added value....
John Mueller Jul 11, 2019
★★★ Should you really prefer the 410 code over the 404 to speed up deindexing?
410 errors are processed faster than 404s because they indicate that the content has been permanently deleted, while 404 simply indicates that the content is currently not findable....
John Mueller Jul 11, 2019
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