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Should props and eVars always be matched?

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Level 1

Hello!

My analytics team has always matched props and eVars in parallel. For example, passing c12 and v12 together with the same value. However we are starting to run into issues as our variable maps are quickly running out of space to create and pass new ones. 

We are operating on the latest version of SiteCatalyst and want to know if passing the same value to a prop AND an eVar should still be a best practice, especially in the mobile app environment. Could someone please advise me on this issue?

Thanks!

Rachel 

1 Accepted Solution

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Correct answer by
Level 6

I am not a fan of doing this.  I find that it wastes variables, slows down your site and confuses users who are not sure if they should use the eVar or sProp version of the variable.  I find it better to understand when you should use an eVar and when you should use an sProp.  I tend to use sProps for cases where I am interested in Pathing, Participation, for a data point that isn't critical enough to merit wasting an eVar, for cases where the 500k unique limit will be exceed or if I really need hit level data for segmentation purposes.  I use eVars for the rest, especially to be coupled with success events.  You can read more in this old blog post: http://adam.webanalyticsdemystified.com/2011/06/27/some-sitecatalyst-implementation-pet-peeves-omnit...

 

Adam G

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1 Reply

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Correct answer by
Level 6

I am not a fan of doing this.  I find that it wastes variables, slows down your site and confuses users who are not sure if they should use the eVar or sProp version of the variable.  I find it better to understand when you should use an eVar and when you should use an sProp.  I tend to use sProps for cases where I am interested in Pathing, Participation, for a data point that isn't critical enough to merit wasting an eVar, for cases where the 500k unique limit will be exceed or if I really need hit level data for segmentation purposes.  I use eVars for the rest, especially to be coupled with success events.  You can read more in this old blog post: http://adam.webanalyticsdemystified.com/2011/06/27/some-sitecatalyst-implementation-pet-peeves-omnit...

 

Adam G