Note: This calendar view maps the number of captures of http://www.unesco.org/new/fr/unesco/events/all-events-nice/?no_cache=1&tx_browser_pi1%5Bsword%5D=&tx_browser_pi1%5Bmode%5D=3&tx_browser_pi1%5Btx_dkdnicebridge_major_programme.name%5D=30&tx_browser_pi1%5Btx_dkdnicebridge_countries.name%5D=&tx_browser_pi1%5Btx_dkdnicebridge_events.start_datetime%5D=15.10.2013&tx_browser_pi1%5Btx_dkdnicebridge_events.stop_datetime%5D=, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.