2 February, 2009 by Categories :
PPC Classroom 2.0
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PPC Classroom 2.0 review – module 8 – Why split testing is important

This is now the eighth of 9 ppc classroom 2.0 reviews with the eighth module being called “Why you need to split test”.

When you launch your adwords campaign, you can have one of 4 scenarios as discussed in my review of module 7. Let’s assume you have scenario 1 or 2, i.e. you have traffic and are making sales, it is now time to properly split test which is what amit goes into in this module.

Amit goes into a lot of detail with google ads, landing pages and focuses on the 4 critical elements on your landing page that you need to split test as well as the importance of understanding what statistically significant means as explained below:

As mentioned, a new PPC campaign should be set up to contain at least two ads per ad group. You need to know which ad will convert the best, etc.
Essential to this process is the ability to be able to collect statistically relevant data. In order to collect the data correctly you need to the set the “Ad Serving” option to Rotate.
This campaign setting ensures that both of the ads will be displayed equally, and will give you the chance to check which of the ads has the highest CTR.
You see, Google sees your ad as more relevant if more people are clicking on it. Since Google wants to give their visitors the most relevant results, they reward ads that generate high CTR (versus competing ads).
Taking this a step further, you can also split test your landing page for improved conversions. Don’t underestimate how powerful this can be. You can potentially double or triple your conversion rate by just changing the headline on your landing page!

Split testing and statistically significant results

Let’s start by talking about split testing your Google ads. Say you’re split testing two ads with the following stats:

Ad 1: Clicks: 7, CTR: 2.0
Ad 2: Clicks: 4, CTR: 1.5

Now, clearly Ad 1 is the winner, right? After all, it has significantly higher CTR.
Well, let’s let the above ads run longer to see if Ad 1 is really the winner. Here’s what we end up with:

Ad 1: Clicks 32, CTR: 1.54
Ad 2: Clicks 54, CTR: 2.22

WOW! What happened? Ad 1 was supposed to be the winner, but after letting the ads run longer, Ad 1 turned out to be a total loser. Making decisions based on poor statistics is a big reason many affiliates fail to successfully optimize their campaigns. Do not fall into this trap

This certainly makes you think and you can use the tool at http://www.splittester.com to check on your google ads. In order to test different landing pages, amit also shows you how to use a tool to assist which automatically can divert your traffic to different landing pages. Note: you can see this tool in action when you sign up to his free email content as he uses it there!

If you would like to know more about split testing and ppc classroom 2.0, head on over to their main page where you can sign up for their free content when they reopen starting with the ppc classroom 2.0 relaunch on February 9th.

Click here to download the Membership Site Masterplan free report

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