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	<title>Comments on: Split Testing Adsense</title>
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	<link>http://performancing.com/split_testing_adsense/</link>
	<description>Invest In Performance</description>
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		<title>By: galide</title>
		<link>http://performancing.com/split_testing_adsense/comment-page-1/#comment-22997</link>
		<dc:creator>galide</dc:creator>
		<pubDate>Mon, 27 Feb 2006 05:16:31 +0000</pubDate>
		<guid isPermaLink="false">http://performancing.com/?p=3342#comment-22997</guid>
		<description>Nice article - I would argue that the approach is not really clean though:
1) very hard to maintain (no separation between code and content).
2) you actually need to keep consistency, and not display random output to the same visitor.

We have implemented a A/B to our CMS platform, and this is how we operate:
1) Simple A/B testing - it is achieved by rotating CSS style sheets
2) More advanced A/B testing - CSS rotation is replaced with XSLT rotation (more flexible in terms of layout changes, and you can change the actual content as well).

I have made available a &lt;a href=&quot;http://galide.jazar.co.uk/2006/02/pages.html&quot;&gt;simple A/B testing php script&lt;/a&gt; available to illustrate the CSS rotation concept on my blog. Let me know what you think.

emmanuel

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		<content:encoded><![CDATA[<p>Nice article &#8211; I would argue that the approach is not really clean though:<br />
1) very hard to maintain (no separation between code and content).<br />
2) you actually need to keep consistency, and not display random output to the same visitor.</p>
<p>We have implemented a A/B to our CMS platform, and this is how we operate:<br />
1) Simple A/B testing &#8211; it is achieved by rotating CSS style sheets<br />
2) More advanced A/B testing &#8211; CSS rotation is replaced with XSLT rotation (more flexible in terms of layout changes, and you can change the actual content as well).</p>
<p>I have made available a <a href="http://galide.jazar.co.uk/2006/02/pages.html">simple A/B testing php script</a> available to illustrate the CSS rotation concept on my blog. Let me know what you think.</p>
<p>emmanuel</p>
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