Google Website Optimizer v 1.0 The Techie Guide Bedienungsanleitung PDF herunterladen (Seite 22)

The Techie Guide to Google Website Optimizer

Experiments with Dynamic Content

3. The visitor will immediately be redirected toproduct.php?pid=123&variation=b

4. The pageproduct.php?pid=123&variation=b loads

5. The GWO display code will NOT be included

6. dynamic_include_b.php will be included

When setting up this experiment, you’d use these URLs:

• Original: http://ww w.mysite.com/product.php

• Test Variation B:http://ww w.mysite.com/product.php?variation=b

• Test Variation C: http://ww w.mysite.com/product.php?variation=c

If your product.php page returns an error when no product id is passed in, simply use the ofﬂine validation.

Let’s say you set up an A/B experiment with these values:

• Original page: http://ww w.mysite.com/page.php

• Test Variation B: http://ww w.mysite.com/page.php?track=456&variation=b

• Test Variation C: http://ww w.mysite.com/page.php?track=789&variation=c

A visitor reaches the page for the ﬁrst time using this URL:

http://ww w.mysite.com/page.php?track=123&productID=72

GWO rolls the dice and chooses to redirect the visitor to the URL for variation B.

Since both the current URL and the test page URL have the track parameter, the visitor will be redirected to

this URL: http://ww w.mysite.com/page.php?track=456&productID=72&variation=b

Point to remember

Technically, GWO does notappendthe parameters from the original page to the test page. Itmergesthe

parameters from the two URLs. GWO will favor the parameter values from the URLsfor the alternative

test pagesentered during the experiment setup.

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Google Website Optimizer v 1.0 The Techie Guide Bedienungsanleitung Seite 22