Well every one likes a website that is Quick. But sometimes whatever we try somethings are impossible or out of our control, because sometimes we cannot invest huge money on Servers and CDN networks for making our website load faster or hire a Web Optimizer. So the solution to those is Modern Web Tricks like Prefetch and Prerender.
Well the Words Actually Justify everything but still if you are doubtful about what it is, I will try and explain you as much as possible.
What is Prefetch and Prerender ?
Link prefetching is a browser mechanism, which utilizes browser idle time to download or prefetch documents that the user might visit in the near future.
In Short both of it means it will load the next page in the background of the Browser while you are surfing the page you are on, means the browser will download and keep the next page ready but it will displayed when the link to Next page is Clicked.
You might say what is the difference, well both are almost same Prerender is used in Google Chrome and Prefetch in FireFox, these features are include in the top 2 Browsers which most of the People uses. so your website will load instantly on most of the people's website and it is believed that these Properties are coming to other new browsers with HTML5.
How to use Prefect and Prerender ?
Using both of them is really simple just add the below code in the Head Part of your Websites HTML :
Well the above code is for example when implementing in the Website do not forget to change the
href attribute. for WordPress users I thought of Creating for adding this functionality in WordPress but already found a nice Plugin that does the Trick. The Plugin is Prerender and Prefetch WordPress Plugin
Also Read : WordPress Optimization