Locate any IP address in the world in seconds using this excellent tool from YouGetSignal.com. This FREE tool features Google Maps integration that visually traces every router hop. Perfect for investigating any suspicious IP addresses that show up in your website server logs.

http://www.yougetsignal.com/tools/visual-tracert/

Visual Traceroute Via Any IP Address

Get the skinny on your home or business Internet throughput with this FREE tool from Speakeasy.com. Great for broadband users looking to know when ‘the road is clear’. Provides both downstream and upstream results with a nifty speedometer graph and multiple locations.

http://www.speakeasy.net/speedtest/

To find out how long it takes for each object (HTML, Images, Plugins and more) to load on a particular page of your website, Pingdom Tools provides a comprehensive, FREE tool. The loading of each object is delineated by Start, Connect, First byte, Last byte which makes this an excellent resource for discerning load-time issues.

http://tools.pingdom.com/fpt/

If you ever wondered how long it takes to get to your website from Beijing? Now Internet Supervision™ has a FREE tool that will allow you to check the access times to any website from ten points scattered throughout the world. Aside from its curiosity value, this tool has the ovbious real world use of knowing your website content is live. With so much riding on our Internet presences, adding this tool to your bookmarks is certainly recommended.

http://InternetSupervision.com