With the help of the Google Chrome inspection tool you can easily request an analysis report from a web page or a program.

You can download the plugin for Google Chrome via this link.

Mac By pressing cmd+option+i after installation for a mac (while in Google Chrome) the screen with the information appears.

WindowsFor windows, press Command+Shift+c (while in Google Chrome) for the information screen.

Then look at the 'console' tab for the information.