Check TLS Version

Test supported TLS version on the site

About TLS Protocol Testing

Transport Layer Security (TLS) is a technical term for secure communication between two computers. These days, when we say TLS we mean the existence of HTTPS on your website. HTTPS, like any other standard in the world keeps evolving with time (as encryption methods get outdated, for example) and as a result, new versions are released.

And that is what the TLS tool does: it tells you which versions of TLS your website supports, and which encryption algorithms are being used.

Why you should care?

Simply having HTTPS enabled is not enough. Computer security is a moving target, and things that were considered infallible a decade ago have now been abandoned. The TLS test can tell you how strong your HTTPS security is. If you find that you don’t have the latest version, you must (absolutely must) get your hosting provider or CDN to upgrade it.

You may also check out this guide to implement TLS 1.3 in Apache and Nginx web server.

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