Seo Google Tools

How can I track my ads and PPC campaign performance?
I a using statcounter.com for individual tracking. the visitros that have visited from PPC or adsense have a gclid with the page url.
Example:
http://www.iexpertsforum.com/top-seo-tools.html?gclid=CJiaoqyBk5cCFRTkbgod0mQV9w
How can I find which adin my campaign , the user clicked??
How can I track ads performance with Google analytics
can I decode this gclid??
Use Google’s conversion tracking, for more info see the source below:
White Label SEO Software: Google Tools with SEO Samba
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