optimize the access speed of django website
1- ajax
2- move operation of logic move to javascript
3- rename django.fcgi to dispatch.fcgi
4- optimize sql
5- reduce the size of html
* inline css
* <head><base target="_blank"></head>
* remove '\n'
6- compress html with gzip
7- reuse static html
* crontab, get static html from django , root to static index.html