Enhance ASPX Page load performance

This morning i was reading a posting on the internet about, improving the ASPX page performance. The blogger recommends the usage of CSS Class in the HTML instead of inline HTML. Inline styles on the HTML's increases the HTTP response size and hence increases the page load time. Click here to read the post

To improve the page load time, we could consider the following options as well.
Compressing the JavaScript
Compressing the CSS

But the issue with the compression technique is the overhead in debugging.