Noam
Noam

Reputation: 3391

Google Analytics Unique Visitors by DAY doesn't match by WEEK

When I'm checking unique visitors per DAY I see the following pretty-steady graph: enter image description here
However, when I change the time-span to WEEK, I see this hugh drop: enter image description here
Same thing happens when evaluating the exported CSV files. The SUM(7days) just doesn't add up to WEEK values. How can this be?

Upvotes: 0

Views: 1318

Answers (2)

Aran Rasmussen
Aran Rasmussen

Reputation: 11

This phenomenon is explained by Avinash over here: http://www.kaushik.net/avinash/standard-metrics-revisited-6-daily-weekly-monthly-unique-visitors/

If the same user comes back every day, he is counted in each of the daily views (total of 7 for the week). But when you switch to a weekly view, those same seven daily visits only count as one unique visit on a weekly basis. Thus, your overall numbers look less impressive as you expand the time tracking period.

Upvotes: 1

Petr Havlik
Petr Havlik

Reputation: 3317

can you check the selected date range?

I would make sure that the date-range selected has the same days as starting and ending days.

For example: If you are looking at July - August data, it would make sense to pick those two for example:

  • Jul 7, 2013
  • Aug 24, 2013

You end up with full 7 weeks (Sunday to Saturday) and then the chart should (provided there are no peaks/drops in traffic) show display a straight line:

enter image description here

Hope this helps! Petr

Upvotes: 1

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