Topic: javascript seo
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Google Details JavaScript Execution on Non-200 HTTP Statuses
Google has clarified that its crawler only fully processes JavaScript on pages returning a standard 200 HTTP status code, skipping rendering for pages with non-200 codes like 404 errors or redirects. If rendering is skipped, Google indexes the page based on the initial HTML snapshot, which for Ja...
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Google Explains JavaScript Canonicalization
Google's updated guidance states that the canonical URL set via JavaScript must match the one in the original HTML source to avoid sending search engines conflicting signals. The search engine advises that the best practice is to embed the canonical tag directly in the HTML, but if JavaScript mus...
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Google's New SEO Guide: JavaScript Canonical Best Practices
Google has updated its JavaScript SEO guidance to clarify how canonical URLs should be managed for client-side rendered sites, addressing a technical challenge where duplicate content indexing can occur due to conflicting signals. The core issue is that Google evaluates canonical tags twice—once ...
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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...
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Google Warns: Avoid Noindex Tags in Page Code
Google warns that placing a `noindex` tag in a page's original HTML source code can prevent Googlebot from executing JavaScript, potentially causing unintended indexing issues. The company clarifies that using JavaScript to dynamically change or remove a `noindex` tag is unreliable, as Googlebot ...
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Top-Ranking Sites Often Have Invalid HTML, Google Reveals
Many top websites rank well despite invalid HTML, challenging the belief that flawless code is essential for SEO success, as revealed in Google’s podcast. While browsers tolerate most HTML errors, critical elements like metadata and structured data require precision to avoid search engine misinte...
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