Please review my app: Was it up? - dead simple monitoring
colbyolson: Looks great, I love the simplicity. Although you chose an interesting color scheme.How are you determining when a website is down? 
What are you using to create the error message on the right?
What's your website running, if you dont mind me asking. Python? Ruby?On a side note, your blog is just as beautiful as your app. Kudos.