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Free HTTPS Mixed Content Tool
Free mixed content checker for finding insecure page resources.
Check whether an HTTPS page loads insecure HTTP resources that can cause browser warnings, broken SSL locks, or security issues.
✓ No signup required
✓ On-page SEO checks
✓ Built-in abuse protection
How the mixed content checker works.
This tool fetches the public HTML for a page and scans URLs inside src, href, action, poster, data-src, and srcset attributes.
Scan page resources
The tool checks for http:// resources on HTTPS pages, protocol-relative URLs, insecure forms, and possible active mixed content.
Review HTTPS safety
Use the report to catch insecure images, scripts, stylesheets, forms, iframes, and other resources that should use HTTPS.
Common mixed content issues this tool can reveal.
Mixed content issues can create browser warnings, weaken HTTPS trust, break resources, or cause security problems.
Insecure images
HTTP images on an HTTPS page can create mixed content warnings or reduce trust.
Insecure scripts and styles
HTTP scripts and stylesheets can be blocked by browsers and should be fixed quickly.
Insecure forms
Forms using HTTP can expose submitted data and should always use HTTPS.
Mixed content checker FAQ.
Quick answers about mixed content, HTTPS resources, insecure scripts, SSL browser warnings, HTTP images, and secure website setup.
What does this mixed content checker test?
It checks page HTML for insecure http:// resources, protocol-relative URLs, insecure forms, possible active mixed content, and affected hostnames.
What is mixed content?
Mixed content happens when an HTTPS page loads some resources over insecure HTTP.
Why is mixed content bad?
Mixed content can trigger browser warnings, cause resources to be blocked, or weaken the security of an HTTPS page.
How do I fix mixed content?
Insecure scripts and styles can affect performance and crawl efficiency, especially when it adds weight without helping users.
Does this check every loaded browser request?
No. This scans the public HTML source. A full browser-based audit may find additional JavaScript-loaded resources.
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