A JavaScript file on your page is very large, which can significantly slow down your page load time and impact Core Web Vitals. Large scripts take longer to download, parse, and execute, delaying when your page becomes interactive for users.
A JavaScript bundle that is several hundred kilobytes or larger.
Split large scripts into smaller chunks, remove unused code, and consider code splitting to load only what's needed for each page.
Smaller scripts download and execute faster, improving Time to Interactive (TTI) and overall page performance.
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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