236 karma · joined May 29, 2012
For those who prefer a less American-centric metric: 8,000–9,000 feet is approximately 2.5 kilometers. 15,000 feet is about 4.5 kilometers — roughly the height of 14 Eiffel Towers stacked on top of each other!
This feels much snappier - and therefore more useful.
Additional settings can be found and adjusted via about:config.
To summarize: they're very expensive to build and the turnover is uncertain.
[1] Why Dubai Creek Tower Stopped - https://www.youtube.com/watch?v=IPUOOz30dJQ
[2] The Greatest Skyscrapers Never Built - https://www.youtube.com/watch?v=7RxbSBWC8hw
[3] Will There Ever Be Another World's Tallest Building? - https://www.youtube.com/watch?v=T4CCY9RJeD4
This gives you the HTTP Header, example output: HTTP/1.1 301 Moved Permanently Server: nginx Date: Mon, 26 May 2014 16:11:30 GMT Content-Type: text/html Content-Length: 178 Connection: keep-alive Location: http://ycombinator.com/