SSL Check
scan your website for non-secure content
This free tool will crawl an HTTPS-website (entire website, recursively, following internal links) and search for non-secure images, scripts and css-files that will trigger a “mixed content” warning message in browsers. The number of pages crawled is limited to 400 per website. The results are cached for 10 minutes.
https://www.jitbit.com/sslcheck/
Enjoy!