To check website optimization level and suggestions.

This is a very good resource for website speed test and suggestions to improve website performance. It will help you to calculate page size, composition, and download time. As they say that script calculates the size of individual elements and sums up each type of web page component. Based on these page characteristics the script then offers advice on how to improve page load time.

http://www.websiteoptimization.com/services/analyze/