What's the difference between http and https?

To put it simply, HTTP does not encrypt any website traffic, meaning any information inputted can be leaked and/or hacked.

While HTTPS has an S at the end, which stands for "Secure". HTTPS has an SSL certificate installed, which encrypts your traffic, allowing for a secure data transfer, including any information input.

HTTP looks like so:

HTTPS looks like so:

See the difference? The first image above does not have a lock attached to it, while the second one does. Most browsers do this (Firefox on Linux is shown here) to indicate that the website is encrypted and secure.

If you see a https:// and you don't get any shady warnings, like so:

Then you're good to go and the website is secure.

However, if you do get an error like that, then that means that the website is using https:// without an SSL certificate installed, which is what makes the website flag up by the browser.

It's really as simple as that.

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