Effective Cost Per Mille or eCPM (as it is often initialized to) is a phrase often used in online advertising and online marketing circles. It means the cost of every 1,000 ad impressions shown.

CPM is considered the optimal form of selling online advertising from the publisher’s point of view. A publisher gets paid every time an ad is shown.

eCPM is used to measure the effectiveness of a publisher’s inventory being sold (by the publisher) via a CPA, CPC, or CPT basis. In other words, the eCPM tells the publisher what they would have received if they sold the advertising inventory on a CPM basis (instead of a CPA, CPC, or CPT basis).

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.

Cost per Thousand (known as CPM) is used in marketing as a benchmark to calculate the relative cost of an advertising campaign or an ad message in a given medium. Rather than an absolute cost, CPM estimates the cost per 1000 views of the ad.

It is calculated by:

total cost * 1000 / total audience

For example, while the Super Bowl has the highest per-spot ad cost in the United States, it also has the most television viewers annually. Consequently, its CPM may be comparable to a less expensive spot aired during standard programming.

The “M” in CPM derives from the Latin mille for “thousand.”

In the United Kingdom, Cost Per Thousand is expressed as CPT rather than CPM.

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Cost Per Impression is a phrase often used in online advertising and marketing related to web traffic. It is used for measuring the worth and cost of a specific e-marketing campaign. This technique is applied with web banners, text links, e-mail spam, and opt-in e-mail advertising. (Although opt-in e-mail advertising is more commonly charged on a CPA basis.)

The Cost Per Impression is often measured using the CPM (Cost Per Mille) metric. (A CPM is the cost of one thousand (1,000) impressions.)

CPM is considered the optimal form of selling online advertising from the publisher’s point of view. A publisher gets paid for each ad that is shown.

This type of advertising arrangement closely resembles Television and Print Advertising Methods for speculating the cost of an Advertisement. With Television the Nielsen Ratings are used and Print is based on how many readers a publication has. For a Website the numbers are a bit more exact due to the TCP/IP nature of the Internet.

CPM and/or Flat rate advertising deals are preferred by the Publisher/Webmaster because they will get paid regardless of any action taken.

For Advertisers a Performance Based system is preferred. There are two methods for Paying for Performance: 1) CPA – Cost per Action/Acquisition and 2) CPC – Cost per Click Through.

Today, it is very common for large publishers to charge for most of their advertising inventory on a CPM or CPT basis.

A related term, eCPM or effective Cost Per Mille, is used to measure the effectiveness of advertising inventory sold (by the publisher) via a CPC, CPA, or CPT basis.

Cost Per Mille

The initialization CPM comes from print world (and is a latin word), and stands for Cost Per Mille in the US or, more correctly, in the UK Cost Per M, with M representing the Roman numeral for thousand. When online advertising started gaining momentum, those in the industry used this term (rather than something like CPI) as a metric for describing the Cost Per Impression largely because advertisers were already familiar with the term CPM.

It is important to remember that when someone says something like, “our CPM is $5″. That this means that the Cost Per Impressions is $0.005 — half a cent.

This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.

Cost Per Click or CPC (as it is often initialized to) is a phrase often used in online advertising and online marketing circles.

With many advertising networks and websites, the advertiser is charged for advertising their ad (on the advertising network or website) only when a user clicks on their ad. How much they pay (for that click) is called their Cost Per Click or CPC.

The CPC can be determined by different factors, depending on which advertising network or website the advertiser is advertising on.

Other common forms, of charging for advertising, include:

• CPM
• CPA
• CPT

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Effective Cost Per Action (often abbreviated to eCPA) is a phrase often used in online advertising and online marketing circles.

CPA is considered the optimal form of buying online advertising from the advertiser’s point of view, as they only pay for an advert when an action has occurred. An action can be a product being purchased, a form being filled, etc. (The desired action to be performed is determined by the advertiser.)

eCPA is used to measure the effectiveness of advertising inventory purchased (by the advertiser) via a CPC, CPM, or CPT basis. In other words, the eCPA tells the advertiser what they would have paid if they purchased the advertising inventory on a CPA basis (instead of a CPC, CPM, or CPT basis).

This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.

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Cost Per Action or CPA (as it is often initialized to) is a phrase often used in online advertising and online marketing circles.

CPA is considered the optimal form of buying online advertising from the advertiser’s point of view. An advertiser only pays for the ad when an action has occurred. An action can be a product being purchased, a form being filled, etc. (The desired action to be preformed is determined by the advertiser.)

A related term, eCPA or effective Cost Per Action, is used to measure the effectiveness of advertising inventory purchased (by the advertiser) via a CPC, CPM, or CPT basis.

The CPA can be determined by different factors, depending where the online advertising inventory is being purchased.

Other common forms, of charging for advertising, include:

• CPC
• CPM
• CPT

This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.

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