These are among the few websites which can check and give you in detail picture of how your webpages are working with and without compression. IIS compression using Gzip is preferred over the default deflate compression as browsers have gzip as their first search string thus pages with gzip loads faster although some people can argue that deflate is faster than gzip. How to enable gzip compression in your static and dynamic pages this we will cover in the next article. Given here are the results tested from port80software.com on compression test of a dummy website. 