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Google's John Mueller Reveals SEO Flaws in Vibe Coded

October 17, 2025

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Google's John Mueller Reveals SEO Flaws in Vibe Coded

Google's Search Advocate John Mueller identified technical SEO issues on a vibe-coded website, including essential content stored in a JavaScript file inaccessible to search engines, which limited its search visibility. Mueller recommended improvements such as incorporating key information direct...

Unlock Big AI Insights with Small LLM Tests

LLMs like ChatGPT can be influenced by fresh web content within hours, as demonstrated by a test where publishing a new blog post quickly changed the AI's response about travel plans. ChatGPT appears to rely on Google's index over Bing's, based on an experiment where a "noindex" tag for Googlebot...

Google: Noindex Tags May Block JavaScript Execution

Google has clarified that if a page's initial HTML contains a `noindex` robots meta tag, its crawler may skip rendering and JavaScript execution, making client-side removal of the tag unreliable for indexing. This update warns developers to avoid using JavaScript to conditionally alter indexing d...