Your page loads third-party scripts (e.g., analytics, ads, social media widgets) that can significantly impact performance by blocking the main thread or consuming excessive network resources. Optimizing their loading is crucial for Core Web Vitals.
A third-party script loaded synchronously in the `<head>`.
Load third-party scripts asynchronously using `async` or `defer` attributes, or lazy-load them after the main content has rendered. Consider self-hosting critical third-party scripts if possible.
<script src="https://third-party.com/script.js" async></script>Optimizing third-party script loading prevents them from blocking critical rendering paths, improving FCP, LCP, and INP scores.
This issue can affect your site's search engine rankings and user experience. Addressing it promptly helps ensure optimal performance and visibility in search results.
Black SEO Analyzer automatically checks for this warning during site analysis, along with hundreds of other technical SEO issues.
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