Knowledgebase

Fixing Mixed Content Warnings

When you visit a website using https://, your browser expects all content on that page to be delivered securely over SSL. This is what enables HTTPS (secure browsing) and displays the padlock icon in your browser’s address bar.

What Is Mixed Content?

Mixed content occurs when some elements on a secure page are still loaded over http:// (non-secure) instead of https://.

This can result in:

• Browser warnings
• A missing or altered padlock icon
• Certain content (such as images or scripts) not loading properly

Different browsers display this in different ways, such as a warning message or a less secure padlock icon.

Why Fix Mixed Content?

Resolving mixed content issues ensures:

✅ A fully secure browsing experience for visitors
✅ Proper display of your website content
✅ Improved trust and credibility
✅ Better compatibility with modern browsers

How to Fix Mixed Content

1. Identify Insecure Content

Use an online scanner to find which elements are being loaded over HTTP. These tools highlight exactly which files or links need updating.

• Once identified, you can manually update those URLs to use https://

2. Update Hardcoded Links

Check your website content (pages, posts, themes, or plugins) for links starting with:

http://yourdomain.com

Replace them with:

https://yourdomain.com

3. Use a WordPress Plugin (Quick Fix)

If you’re using WordPress, you can automatically resolve most mixed content issues using a plugin such as:

• Really Simple SSL – forces HTTPS across your site
• Better Search Replace – updates all HTTP URLs in your database to HTTPS

These tools are especially useful if your site contains a large number of outdated links.

Best Practice

• Always ensure new content is added using HTTPS links
• Avoid installing multiple plugins with overlapping functionality
• After making changes, test your website to confirm all content loads securely

Summary

Mixed content warnings occur when secure pages load insecure elements. Fixing them ensures your website is fully secure, reliable, and provides the best possible experience for visitors.

If you need help identifying or resolving mixed content issues, the Firstserv support team is always available to assist.