Site Down - Site down outage and downtime reports from SiteDown.co
cutestat - Website Stats and Valuation. CuteStat.
Is it Down? - Is it down can check if a website is down or is it just your PC that can not access it.
WebsiteOutlook - WebsiteOutlook is an all-in-one website that provides you detailed information on famous websites based on various data sources like traffic, page rank, and estimated ad revenue.
UPDOWNtoday - UPDOWNTODAY allows you to check whether the website is down or not.
Site Worth traffic - Site Worth traffic is a cost-effective site that is introduced to estimate the value, daily page views, daily visitors, and daily revenue of a website.