SiteCheckerTool.com - Website Analytics & Tools
SiteAuditTools.com - Website Audit & Analysis Tools
A1 Website Analyzer - Analyze websites and save data into XML, CSV etc. Extract data about internal linking and importance calculations, file sizes, download times, HTML validation errors etc. across entire websites.
WebsiteChecker - Sends you alerts when your website goes down.
SiteAuditTool.com - Generate Website Audit Reports
Dead Link Checker - Check for broken links on any website