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Campaign pages recording uneven visitor data 

Monday, March 31, 2014

JavaScript is incorrect:

  1. The JS code you have entered in the campaign pages is not executing correctly. If there is an error on the JS code defined, VWO does not count the visitors on the campaign variations.
  2. There can be a situation where JS code does not fire successfully due to some page- or browser-specific reasons. This leads to less visitors being tracked in that campaign.

Error in Variation Targeting

Please ensure that you have defined targeting and segmentation for the variations appropriately. Inappropriate segmentation on variations can give you misleading reports on the campaign.

For Split URL test

The difference in the reports for a Split URL test campaign could be due to a number of factors. For example, if a 404 error message is returned, this implies that the page you are running the campaign on is down and not accessible to the visitors. Look out for such errors, and keep the following pointers in mind for uniformity in reports:
  1. VWO code should be present on the Variation URL.
  2. Make sure that VWO code is not installed through a tag manager. Also, if the VWO code is installed at the bottom of the page, it can lead to less visits being tracked.
  3. Cross-Domain Tracking needs to be enabled if the Variation URL is on a different domain.
  4. The Variation URL you have specified in the campaign should not redirect to another URL. Otherwise, a visit to the variation will not be counted, since the page redirects to another page that has not been defined in the variation URL of the campaign.
  5. If query parameters are defined in both control and variation URL, then the variation URL needs to have an asterisk at the end to incorporate the query parameters of Control.

    For example, you may have the following setup for Control and Variation URLs:

    • Control: http://example.com?abc=123
    • Variation: http://example.com?xyz=456

    In VWO campaigns, you need to define the URLs as shown below. Asterisk at the end of Variation URL will take care of the further query parameters which are added when a visitor lands on Variation URL.

    • Control - URL matches: http://example.com?abc=123
    • Variation - URL matches pattern: http://example.com?xyz=456*

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