Dev environment and dependencies:
- I develop on Mac OS X v10.6.8
- Install Wireshark (http://www.wireshark.org/)
- Install PhantomJS (http://www.phantomjs.org/)

Usage:
> perl run.pl www.google.com
> perl analyze.pl

Files:
- run.pl
    capture pcap and har files
- pcap.pl
    analyze pcap and har files
- crawler.pl
    crawls a list of web pages and stores the html & har files
- align.pl
    calculates the diff (in bytes) of pages of the same url
- phantomjs/
    browser driver supported by phantomjs
- pcap/
    pcap file analyzer
- server/
    scripts to merge images into any number of requests