: Google Adsense Impressions Not Matching With Analytics I'm using woopra and google analytics on one site. Both are reporting 100 unique visits to one site. Browsers - 70% Firefox, 10% chrome,

@Smith883

As @joshuahedlund already mentioned there are a lot of users that use AdBlock or similar extensions, I just want to add that this is not popular just among Firefox users because there are extensions for Chrome, Opera and Safari with multimillion user base.

Other possibility is that AdSense doesn't show ad for each request, especially if you don't have quality content on each page where you serve ads.


if Google does not have ads for an AdSense for search query, or if the
query will return non-family-safe ads, we will not show any ads


Do you guarantee to have relevant ads for my site?

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@Shelley277

You have a much higher proportion of Firefox users than average, and Firefox users are especially known for using AdBlock. I suspect that you may be recording Analytics hits but not Adsense impressions for this reason, although I'm not really sure if that could explain the entirety of the vast difference you have.

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@Chiappetta492

Adsense reporting is delayed. Check stats from a specific day a week ago. See how those figures line up.

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