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Browser Mixed Content Blocked

Informationalgeneral

Overview

Browser "Mixed Content Blocked" means a secure HTTPS page is trying to load resources (images, scripts) over insecure HTTP.

Key Details

  • HTTPS page loading HTTP resources = mixed content
  • Browsers block insecure scripts and may block images
  • Shows lock icon warning or broken padlock
  • Security risk: HTTP resources can be tampered with

Common Causes

  • Website loads images or scripts from HTTP URLs
  • Hardcoded HTTP URLs in page source code
  • CDN serving resources over HTTP
  • Third-party widget or ad using HTTP

Steps

  1. 1For site owners: update all resource URLs to HTTPS
  2. 2Use Content-Security-Policy: upgrade-insecure-requests header
  3. 3Check browser console for specific blocked resources
  4. 4For users: this is a website issue, not a browser issue

Tags

browsergeneralmixed content blockedfixtroubleshooting

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Informational

Frequently Asked Questions

It can be — HTTP resources can be intercepted and modified by attackers.