Make your old Drupal Sites Static, Faster and Safer.

Recently I helped to "staticalize" the past Drupalcon sites on
This makes the sites static, faster, safer and less error-prone. Works like a live archive of the past events.
For that i use this wget command:
wget -m -U Mozilla --page-requisites \
--retry-connrefused \
--limit-rate=5000k \
--convert-links \
--html-extension \
--restrict-file-names=windows \
--domains ${SITE} \
--no-parent http://${SITE}/

These sites are now static and, security wise, safer: