It looks like Internet Archive got hit by a bad DDOS earlier this week.
There was something written on the site a day or so ago mentioning that they were being hammered with DL attempts on a specific archive - I don't recall which one though.
@marcomarcos started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
It looks like Internet Archive got hit by a bad DDOS earlier this week.