How to Detect and Fix Mixed Content on HTTPS Pages
Mixed content occurs when an HTTPS site loads assets over HTTP, creating security risks and browser warnings. Detect it using browser dev tools or online scanners, and fix it by updating asset URLs to HTTPS.

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Key Takaways






Frequently Asked Questions
What causes mixed content on HTTPS pages?
Use browser developer tools or online scanners like Why No Padlock to scan and list insecure elements.
How do I find mixed content on my website?
Use browser developer tools or online scanners like Why No Padlock to scan and list insecure elements.
Is mixed content a security threat?
Yes. Mixed content can be exploited to intercept or manipulate data, especially in the case of active content.
Can mixed content affect SEO?
Yes. Google considers HTTPS a ranking signal. Mixed content undermines your site's security, which may impact rankings.
Do I need a developer to fix mixed content?
Not always. Many issues can be resolved by updating URLs or using plugins if you're using a CMS like WordPress.
Step by Step Plan
Identify Mixed Content Warnings
Use Chrome DevTools: Right-click > Inspect > Console tab. Look for 'Mixed Content' errors listing insecure elements.
Classify the Types of Mixed Content
Determine whether the issue is passive (non-executable) or active (scripts), as active content poses a higher risk.
Manually Update Resource URLs
Change HTTP URLs to HTTPS in code, CMS settings, theme files, and plugin configurations.
Manually Update Resource URLs
Tools like Why No Padlock, SSL Labs, or Mixed Content Scan scan for insecure elements site-wide.
Enable Site-Wide HTTPS Enforcement
Use .htaccess rules or server configurations to force HTTPS redirects and prevent future mixed content.
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