Check your page's HTML size. HTML size is the size of all the HTML code on your web page - this size does not include images, external javascripts or external CSS files.
Check your URL:
How do I fix it ?
In order to resolve this problem you are advised to:
use gzip compression
move all CSS style rules into a single, external and minified CSS file
minify all JS files and, if possible, try combining them into a single external JS file