Testing HTTPS Security

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Test your existing site's HTTPS configuration by using the great and free tool from Qualys. The tool is part of the SSL Labs Suite. Make sure you check the box below the domain before running a scan if you do not want the scan result to be public! The scores are the same letter grade as a report card ("F" is worst, "A" is best) and as you continue with the guide, I'll show you how to get an A+ score.

SSL Labs Screenshot