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Mixed Content: When HTTPS Pages Load HTTP Resources

Mixed content occurs when an HTTPS page loads resources (images, scripts, stylesheets) over HTTP, breaking the security chain.

Why This Matters

Browsers block or warn about mixed content. Breaks padlock icon. Potential for man-in-the-middle attacks on loaded resources.

How to Fix

Update all resource URLs to use HTTPS. Use protocol-relative URLs or enforce HTTPS in your CSP.

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