Device Anywhere is a commercial operation, allowing customers to sign up and test “Any Device. Any Network. Anywhere.” There are a range of subscription plans but you can sign up for a free trial.

An extension for the open source Eclipse development platform, it is built specifically to test for the accessibility of the visually impaired. Unfortunately, it’s only available for those running Windows XP and above.

TwitThis is an easy way for people to send Twitter messages about your blog post or website. When visitors to your website click on the TwitThis button or link, it takes the URL of the webpage and creates a shorter URL using TinyURL. Then visitors can send this shortened URL and a description of the web page to all of their friends on Twitter.

Anyone and everyone who uses Twitter periodically sends out interesting links to their followers. These links are not pointing to your site, so other than creating goodwill among your followers, they offer no ‘return’ for your blog.

A website or web application’s high availability is very crucial; users who constantly encounter problems accessing the content of a site will not likely come back. For web applications – poor uptimes means users won’t be confident about your product: if they constantly experience issues with your apps’s availability, they will likely look for another solution that isn’t as problematic.