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Google's IP identification for geo-location--how good?

What is your experience wiht Adsense (and Google Ad Manager)

         

weeks

10:31 pm on Aug 24, 2008 (gmt 0)

WebmasterWorld Senior Member 10+ Year Member Top Contributors Of The Month



We're thinking about using Google Ad Manager (it came out in March, in beta) for a new web site where we will sell ads where geo-location is going to be important.

We first looked at Open X using Maxmind's db of IP addresses, which looked good to us, but Google Ad Manager appeared to do everything we needed at no cost. And, we figured, Google might know a thing about delivering ads using IP addresses.

Alas, in our (very limited) tests Google Ad Manager has not performed as well as Open X with Maxmind's db at staying up to date with the IP addresses such as Comcast, which are not static IP addresses. (At home, my Comcast IP address has changed 11 times in the last five months. It has been almost a month since the last change, for example, and Google Ad Manager has not found me yet.)

Still, these kind of test are difficult to run. One will be hot in one area while another is cold. And the service is evolving at both Open X and Google Ad Manager. So, I turn to my friends here who have experience with AdSense.

My question: Is Google typically seen as slow at keeping their IP address db up-to-date? Or, put another way, how is the geo-targeting in your neck of the woods with Adsense?

Any insights or ideas welcomed. Thanks.

cyberandroid

5:59 am on Aug 25, 2008 (gmt 0)

10+ Year Member



geolocation to what degree
1.country (with google no worries)
2.state/province (with google about 90%)
4.city (with google about 75%)
it isnt perfect but none of the ip location services are
they use both your ip address and your dns server to triangulate
so using 3rd party dns servers like opendns futzes things up a bit

unfortunately however in my experience the urchin/analytics ip locating is slightly more accurate then what they us for adwords/adsense.

its unfortunate but all of the ip location services are less then perfect

im assuming that when you said it hasnt found your current location yet it knows your in the U.S.A.

are you using your isp's dns server?
(as i said before that tends to futz thing up)
try using the default dns server and flushing your dns records on your computer (pc ipconfig /flushdns)

would you consider doing a/b testing on your website when live?
analysing your results with the following metric
which adserving had the higher ctr and was most profitable both metrics should agree