Thanks all for your reply i also searched this on Internet and found many of the points that are:
 
	1: Remove unnecessary plugins and extensions 
	2: Employ browser caching 
	3: Image Optimization 
	4: Use the best Content Management System 
	5: Make use of Content Delivery Networks 
	6: Delete/replace all broken links 
	7: Choose a Good Web Host
 
	and also found this post on the internet and found this is very help full for me, i remove all the unnecessary plugins and optimize the site images this help me a lot to to boots up the load time