UptimeRobot - Free Website Uptime Monitoring
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.
Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting
AnalyzeSiteTool.com - Website Analyzer Tools
UptimeRobot App - Web, SSL, ports & Cron-jobs monitoring
SEO PowerSuite - Get all SEO tools in one pack - download free edition of SEO PowerSuite and get top 10 rankings for your site on Google and other search engines!