Scans your site and returns information about your SSL implementation and certificate. Helpful for debugging and validating your SSL configuration.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

The simplest way (if the numbers are positive and you have a good regression line) is to calculate the y value on the line for the x value of the point.

The vertical distance between the line is y(line) - y(point).

That is one way and that is not the only way.