How to Fix Mixed Content Warnings and Restore the Secure Padlock

⚠️ Technical Alert

Symptoms Checklist

If you observe any of the following symptoms, your site or setup is affected by this issue:

  • Site has SSL certificate installed, but the padlock icon is missing or has a warning icon
  • Chrome console showing warnings: 'Mixed Content: The page at was loaded over HTTPS'
  • Some images, custom fonts, or stylesheets failing to load or display
  • Browser warnings saying: 'Parts of this page are not secure'

Why This Happens

Mixed content occurs when a website loads over a secure HTTPS connection, but some elements (like images, scripts, or stylesheets) are still loaded over an insecure HTTP connection, compromising security.

Common Underlying Causes

  • Hardcoded HTTP Links: Image tags or style source URLs containing absolute 'http://' pathways.
  • Theme Assets: Custom themes loading fonts or scripts using insecure addresses.
  • Un-migrated Database: WordPress database maintaining old http settings for media files.

DIY Quick Fix Steps

Here is what you can check or execute immediately to troubleshoot the issue:

  1. Open Chrome, right-click, select 'Inspect', and click the 'Console' tab to list all insecure asset URLs.
  2. If on WordPress, install 'Really Simple SSL' or run a 'Better Search Replace' query.
  3. Search database for 'http://yourdomain.com' and replace with 'https://yourdomain.com'.
  4. Ensure all CDN or cloud assets are sourced using secure paths.
⚠️ Caution: Changing DNS, server logs, or WordPress databases incorrectly can cause site downtime. If you're not comfortable, skip these steps and hire assistance.

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Frequently Asked Questions

Have questions about my technical services? Find quick answers below.

Modern browsers enforce strict security rules. To protect users from script injection, they block insecure files (CSS/JS) from loading on a secure (HTTPS) page, which can break site layouts.

WordPress databases store the exact absolute paths of all uploaded images (e.g. http://yourdomain.com/image.png). Running search-and-replace updates these path URLs to https://, clearing the warnings.

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