Facebook Impression Mystery Solved

Posted on January 6th, 2008 in Facebook

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If you have been doing facebook ads, you have probably noticed that every week, starting Sunday all impressions stop unless you bid a ridiculously high amount per click and then slowly during the week you have to bid less and less to get impressions. Nickycakes and many others have been baffled as well as frustrated by this phenomenon that started about a month ago.

After thinking about it for a while, the Cakes has come up with a pretty solid theory as to why this is happening. When you make facebook ads, you are competing for impressions with not only other self-serve advertisers, but with the big advertisers as well. Big businesses like target, bally fitness, mortgage companies, etc, pay thousands of dollars to facebook for CPM (pay per impression, not click) ads. They’re the normal banner ads that you see when you use facebook. These people are generally bidding higher to have their ad shown than normal advertisers.

Self serve facebook ads have a daily spend limit. When you reach this limit, your ad will stop being shown, giving other advertisers a better opportunity to have their ads shown at a lower cost, that’s why you’ll generally get more traffic at the end of the day than at the beginning, but why the weekly cycle? Nickycakes’ theory is this: The major CPM advertisers have a weekly budget, not a daily one. Once most of these budgets run out, toward the middle or end of the week, self serve facebook ads, by default, get more face time, and can bid lower for impressions. Mystery solved.

If you haven’t tried facebook ads yet, you can check out these 2 posts to get you started.  Most all of the information is still solid:

Gaming Facebook Ads Part 1
Gaming Facebook Ads Part 2

Published by nickycakes

4 Responses to “Facebook Impression Mystery Solved”

  1. CaptainTO Says:

    Those familiar with FB Ads know that it does a semi-reasonable job at spreading your limit across the defined period. For self-serve, it spreads our daily limit throughout the day by adjusting the number of impressions/hour based on your CTR and bid price.

    Why would this not be the case for the large scale media buyers?

  2. nickycakes Says:

    They used to spread your limit out over the day, but it seems that lately they have not been doing so, at least for my ads. If you set your bid high enough, it will fill in 20 mins or so.

  3. CaptainTO Says:

    I stand corrected, I guess this was the old behavior.

  4. nickycakes Says:

    It’s tough to say dude. Lately things have been acting up and you can’t really count on the same traffic for the same bid from day to day.

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