Note: This calendar view maps the number of captures of https://login.live.com/login.srf?cbcxt=mai&ct=1496162494&id=64855&lc=1033&mkt=en-us&rpsnv=13&rver=6.7.6643.0&wa=wsignin1.0&wp=MBI_SSL_SHARED&wreply=https%3A%252F%252Fmail.live.com%252FLFE%252FLive.SiteContent.AdControl%252Fft%252FHotmail%252FUS%252Fflextag.html%253Fv%253D1426357954599, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.