Is Google Analytics reliable?: Dmitry Dulepov

Posted on 06.05.09 10:37

I have problems with Google Analytics. Looks like something is broken there.

I am checking a number of visitors on one site. I took yesterday (May 5, 2009) as a day to look at. The graph shows a different number of visitors for the same day depending on the start day of the graph! Have a look:

So I have 21325, 16914 and 5925 visitors for the same day. How is this possible? It seems to me that the number of visitors on May 5 can be only one number and it must not change if I change the starting date of the graph.

The same problem is with page views (another "absolute" metric) and visits.

Am I crazy or is this a error in Google Analytics?

Comments

Thomas, 06-05-09 11:44:

Hi!

Must be a bug. Just checked my account with multiple sites and no error...

Gerard, 06-05-09 11:49:

Hmmmm,

same problem here :s

thx

Gerard, 06-05-09 11:51:

The bug doesn't seem to be occuring in dashboard view only in visitor overview-view

Dmitry Dulepov, 06-05-09 12:17:

And it happens only for the previous day from today I think.

Errol Mars, 06-05-09 19:45:

I've noticed similar errors in GA also. There are days when GA shows spikes in visitor numbers that are way off when compared to AWStats.

Dmitry Dulepov, 07-05-09 10:14:

I noticed that May 5 now is ok but May 6 has the same problem. So it is definitely about the previous day from today. Stats of the previous day are not reliable.

Olaf Bottek, 17-05-09 20:22:

It is known, that Google Analytics results "shake" a little every here and there and especially for the previous day (everything within the past 24 hours) . They should stabilize in the coming days. It also shows, that the one week view tends to be the most actual one against the longer period views.

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