Visualization of the structure of popular sites

Every day we browse a lot of sites.
The structure of these sites is reflected in the HTML code.

Sala, the author of this blog , has written a very interesting applet that analyzes page tags and visualizes them according to the following specification:


Here, for example, msn.com visualization. Quite a branched structure, with lots of pictures:

msn.com
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But the structure of apple.com. A fairly simple structure, with the exception of an array of yellow dots (this is a dropdown menu)

apple.com

Simple and ingenious Google. I could not find the structure easier:

google.com

And the applet itself can be viewed here .