how browsers work article

Just came across this amazingly well done document on how browsers work...semi relevant:
http://www.html5rocks.com/en/tutorials/internals/howbrowserswork/
Sandy

Sandy Ressler
High Performance Computing and Visualization Group
National Institute of Standards and Technology
100 Bureau Drive, STOP 8911
Gaithersburg MD, 20899
(301) 975-3549 Fax: (301) 975-3218
sressler@nist.gov