What's the average % of pageviews showing PSA?

[Jesse_Smith]

Is about 10% normal for PSAs? I've got 462,873 pageviews and about 45,044 PSAs in the last 27 days.

[Swash]

depends on the site. doesn't sound too overboard to me.. could be that there's just not enough inventory for your sites to show ads every impression.

Some of my sites always show ads, some show psa's 15-15% it all depends.

[fidibidabah]

I've never gotten a single PSA on any of my sites.

Is that weird?

[Jenstar]

I rarely get PSAs on my sites, except when AdSense is serving PSAs to all publishers due to a problem on their end.

[mike schmitz]

How do you know how many PSAs you get?

Mike

[richmondsteve]

A publisher can't measure PSAs unless everyone - well at least w/out every visitor reporting stats back to the publisher. What those posting above must be measuring is AA impressions. I serve AAs constisting of pages on my own servers and each AA page load logs to a database. The simple solution is to parse web server logs for the AA URLs.

[europeforvisitors]

I rarely get PSAs on my sites, except when AdSense is serving PSAs to all publishers due to a problem on their end.

Same here. I don't bother with alternative ads for that reason.

I'd guess that the number of PSAs served depends on:

1) Your topic and subtopics. (A diverse range of subtopics may help to prevent PSAs.)

2) How many sites are competing for ads on your pages' keywords and keyphrases. (If 5,000 sites are competing for a finite number of clicks, advertisers may quickly reach their budget limits.)

3) How many advertisers there are for your pages' keywords and keyphrases.

4) Whether advertisers in your subject area have had good or bad experiences with content ads. (If there are a lot of shady sites in your category, Adwords advertisers may have opted out of content ads.)

[Jenstar]

To know how many PSAs you have, use an alternative image, then check your logs to see how many times it was displayed.

[JohnKelly]

30% alternate ads here :(

[blaze]

Lord knows what's the point of PSAs.

Why doesn't google just decrease the EPC?

[Vivi_Labo]

5-7% alternate ads.

Vivi

[ken_b]

I'd like to see Google run Adwords prom spots in place of PSAs.

[Jesse_Smith]

How do you know how many PSAs you get?

I made a cgi script that has alternitive text ads come up when you would get PSA ads, and below that I have a tracking image that counts how many times it comes out. If you want the script, sticky me.

[mike schmitz]

I forgot about the alt banner item. Thanks - M

[tomkee]

I think google should publish the number of PSA's returned along with the other stats.