Topic: google documentation
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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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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: 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 Ads Quietly Doubles Negative Keyword List Limit
Google may have quietly increased the maximum number of keywords allowed in a campaign-level negative keyword list beyond the documented 5,000 limit, potentially benefiting large-scale advertisers. Negative keyword lists are crucial for preventing ads from appearing on irrelevant search queries, ...
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Cloudflare Outage: How 5xx Errors Impact Your SEO
Cloudflare outages can cause temporary 5xx server errors, which primarily affect search engine crawling but rarely lead to immediate ranking drops if resolved quickly. Google treats temporary 5xx errors by slowing down crawling temporarily, and only prolonged errors risk de-indexing, with normal ...
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Mueller: Background Video Loading Won't Hurt SEO
John Mueller confirmed that background video loading does not harm SEO if primary content loads first, addressing developer concerns about large video files. This approach aligns with Google's lazy loading recommendations, where non-essential resources like decorative videos can load after visibl...
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Google Chrome Web Store Now Supports User Agents
Google has introduced a new user agent called Google-CWS for the Chrome Web Store, which fetches URLs from extension and theme metadata as directed by users. This user-triggered fetcher operates based on direct user actions, bypassing robots.txt but following Google's web crawler guidelines for e...
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Google's December 2025 Core Update Is Live
Google has launched its third core algorithm update of 2025, a broad adjustment to ranking systems that aims to better surface high-quality, people-first content. The company advises that ranking drops are not penalties and recovery focuses on long-term content improvements, not quick fixes, by f...
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