I want to know from your end will these tips help to maintain website loading time

Allow CSS files to top and JavaScript at the bottom
Remove unwanted Plugins
Expend browser caching
Imperfect Rendering
Make use of CDNs
Gzip Compression
Size does matter

Hi ,
I want to do the same like website loading and making it fast ..

If you want some help with regard to making your website load faster, some of the items listed below are correct. Take a look at this site which allows you to run tests against it and it will grade your site and provide you with detailed recommendations.

http://www.webpagetest.org/

use of html 5, css 3 and php, use of these things help to maintain website loading time also

Decrease the size of your website by doing following things
Use JPEG format images in your website
Compress and Optimize Your Content
Put Script References at the Bottom