Resource served with incorrect MIME type causing rendering issues.
Content-Type HTTP header that doesn’t match its actual content format. For instance, delivering JavaScript files with a non-JavaScript MIME type (e.g., text/html instead of application/javascript) can trigger browser warnings or block execution entirely. Browsers rely on accurate MIME types to handle and display resources correctly. Mismatches, often called MIME type mismatches, can prevent resources like scripts, CSS, images, or other assets from loading properly, impacting user experience and site functionality.Content-Type header. For example, JavaScript files should be served with Content-Type: application/javascript. If misconfigured, update your web server’s configuration files or settings (like .htaccess on Apache servers or MIME type definitions in server configurations) to match file extensions to correct MIME types. Regularly testing and validating HTTP headers can help prevent MIME type mismatches, ensuring smoother resource loading and better compatibility across browsers.Want to avoid this bug in your codebase? Try Greptile.
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