Does Google Analytics "purify" my e-commerce data? (posted: 8/8/2008)

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Google Analytics doesn't do any type of data purification when it processes e-commerce data. However, Google Analytics does use the JavaScript escape function to encode the data prior to passing it to the Google servers. The escape function returns the hexadecimal encoding of non-alphanumeric characters in the ISO Latin character set. For example, a white space would be converted to "%20". Converting characters to the hex equivalent reduces the possibility for errors when the web server processes the URL.

Once the data is on the Google server the only modification is that all %20 characters are replaced with white spaces. Google does nothing to validate that the data is in order or is of the correct type.