HEATKEYS

Full Page Test Analysis

Remote web server and website monitoring with instant alerts via SMS, e-mail, and phone when your website becomes unavailable. Real-time monitoring reports and diagnostic tools help you minimize website downtime. Global worldwide monitoring locations...

GTmetrix is a free tool that analyzes your page's speed performance. Using Page Speed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.

UltraTools is a complete set of free DNS and domain tools, which test the health of your domain name servers, websites and online hosting environment.

SitePoint.com - With a vast variety of web design tutorials and articles coupled with a vibrant and well informed community, SitePoint the natural place to go to grow your online business

Check load speed for web pages, free tool for web admins

Web hosting reviews, advice, and discussion on hosting related news and services. Get advice on dedicated server hosting, ecommerce systems, business web hosting, provider reviews, and web hosting industry related news..

Automatic monitor if your web site is up or down and response time from your web server. Free 90-day trial. Alerts via email, pager, sms, text. View useful statistics we accumulate for your web site.

Linux blog by Vivek - Includes news, help, tutorials, programming, tips and how-to guides for Linux, UNIX, and BSD.

Nagios Exchange - The official site for hundreds of community-contributed Nagios plugins, addons, extensions, enhancements, and more!