To set up Google AdWords conversion tracking on the PC- or mobile-version of your site, you will need to place a snippet of code on your conversion confirmation pages. Here's how to obtain this code and begin tracking conversion data: Visit http://adwords.google.com/o/ConversionTracking/Manager (You can also reach this page by clicking 'Conversions' at the top of your account's Reporting tab.) Click 'New conversion' from the Conversions tab. Name your conversion and select the category you want to associate this conversion with. Once you click 'Save and continue,' you'll be taken to the Codetab to configure your tracking code snippet settings. Follow the steps provided. We'll guide you through the process of receiving your code, placing it on your site, completing the set-up, and emailing a copy of the code to your webmaster. Read through the complete Conversion Tracking Setup Guide for more details - http://adwords.google.com/support/aw/bin/answer.py?answer=115794
Google analytics is a very effective tool to use because it gives you xray vision into what customers are really doing on your website, i.e what those clicks are really buying you and what clicks turn into cash.Correct use of google analytics can easily slash your click costs and reveal low hanging fruit your currently missing on your website.Google analytics has a new interface, master that and you'll beable to improve your ROI.
Google Analytics provides you a tool for tracking your conversions. Just take a time exploring G Analytics.