|Average Email Ad RPMs|
|Email Banner Ads||$5.00|
|Dedicated Emails||$77 – $120|
|Source: MonetizePros Aggregation|
Please note that MonetizePros calculates all aggregated figures while making several assumptions, which are described in the Methodology section.
Review Information Last Updated on: July 21, 2016
This page aggregates publicly available information regarding email CPM rate averages and ranges.
Email is an often overlooked revenue stream for online publishers. Each verified email address that a site collects can be monetized in a number of different ways, including:
A long list of legitimate, engaged subscribers can be an extremely valuable asset to have, as it represents an opportunity for a recurring stream of revenue. This page offers some insights into the average revenue rates that can be derived from email monetization efforts.
Before we dive in to the data points we considered, let’s take a look at some of the basics of email monetization.
There are two primary ways to monetize email addresses:
The first involves placing traditional (or non-standard) banner ads within the body of an email–basically extending traditional display ads into emails. Here’s an example of a banner ad within an email that we’ve sent to our subscribers
Note the clearly marked “advertisement” in the screenshot above, in this case for a Facebook retargeting platform.
The second involves a much larger advertiser presence. Instead of a banner ad surrounded by your content, a sponsored email contains exclusively content created by the advertiser. All the publisher does is rent out the list in order to allow that advertiser to access that audience.
Here’s an example from WhichTestWon:
Note that the email comes from WhichTestWon–whose newsletter I subscribe to–but features Marketo content. These are two different companies; Marketo is paying WhichTestWon for the ability to send this email to their distribution list.
The revenue opportunities between these two types of email monetization strategies are going to vary significantly. Publishers should charge much more to rent out their list for a sponsored email than they do for the placement of a relatively small banner ad within the email.
As discussed in a bit more detail below, there is significant variety in the location and format of email banner ads. For example:
The concept of “visible CPM” has gained traction in recent years across all aspects of display advertising. But it’s particularly relevant when it comes to selling email ad units.
There are two ways to measure the effective CPM realized on an email ad unit: 1) based on the number of recipients to whom the email was sent or 2) based on the number of recipients who actually opened the email.
Because open rates for even the most engaged audiences are well below 50%, there can be a major difference in these calculations.
Suppose that you charge $1,000 to include a 468×60 banner ad in an email to 250,000 subscribers. Using the first method above, the effective CPM is:
$1,000 / 250 = $4.00
But let’s say that only 20% of your subscribers, or 50,000 or them, actually open the email–an open rate that is about average. The effective CPM paid for actual views of that ad becomes:
$1,000 / 50 = $20.00
Generally, email CPMs are quoted based on the number of subscribers on the distribution list. That means that advertisers pay that same rate for the emails that are opened and read thoroughly as for those that are sent to the trash before ever being opened.
We serve banner ads in the email newsletters sent out a few times a week to our distribution list. These emails are positioned at the top of the emails, above the featured article for the day:
The stats on our email banner ads are as follows:
In this case, the relationship between the two is simply the open rate on emails; we have an above-average open rate of about 30%, meaning that the CPM on emails sent is about 30% of the CPM on emails opened.
In order to provide an apples-to-apples comparison to the other primary data point referenced below, we used the CPM based on emails sent of $4.45.
These figures also reflect the net CPM earned by the publisher. We use NewsletterDirectory.co, an email ad network, to fill ads within our email newsletters. Assuming a 50% network cut for this service, that yields a gross CPM of $9.90. In other words, advertisers are effectively paying $9.90 to have their ad run in 1,000 of our email newsletters–including both unopened and opened emails. This amount is split between the publisher and the network.
BuySellAds is a marketplace where advertisers and publishers can come together to create display ad campaigns. Publishers can list their inventory on this site, creating a centralized location for advertisers to browse available inventory.
In addition to traditional on-site ads, BuySellAds allows publishers to sell email banner ads. In order to come up with an estimate of an average rate, we examined the 50 largest email lists on the site. The sizes of these email distribution lists ranged from 20,000 to 4 million. These sites were in a variety of different niches and the ad opportunities were for various sizes (e.g., 468×60, 300×250) and locations within the email newsletter.
Despite these variations, we believe this list to be a meaningful representation of the ranges present in email banner ad CPMs. We reviewed the 50 highest rated ad units that met these criteria and came up with the following metrics:
These figures represent single ad unit RPMs; they do not take into account the cut taken by the marketplace in exchange for their services. In other words, the net amount earned by the publishers will be quite a bit lower. It’s also worth noting that the huge range present in CPMs exists here as well; the most expensive list costs more than 250x more than the cheapest.
The presence of a few high-priced outliers pushed the average up considerably; excluding the five most expensive items brought the average down to $3.85. To reflect the impact of these outliers, we used the median of this list ($3.45) in our calculation.
A partial list of ad options considered is presented below:
There are a few notes that must be made about this data point:
Data on CPMs for dedicated emails are even tougher to find, as there is no central marketplace that publishes market rates and the prices can vary significantly depending on niche.
Worldata Research publishes an annual list of dedicated email prices, which we have included below:
|Attendees / Members||$134|
|Books & CDs||$115|
|Business Mags / Controlled||$140|
|Business Mags / Paid Circulation||$129|
|Business Merchandise Buyers||$115|
|Consumer Book Buyers||$93|
|Consumer Merchandise Buyers||$96|
|Databases / Masterfiles||$121|
|Medium / Large Business||$140|
|Aggregated Database – Business||$77|
|Aggregated Email Database – Business||$160|
Since the sources above do not use a consistent methodology, date range, or system, please note that the MonetizePros aggregated values are calculated via an ‘inexact science’. I.e., there is some napkin math here; we do however make an effort to be as transparent as possible, and thus our methodology notes are listed below.
In this case in particular, the information available on average CPMs for email banners is extremely limited. While any conclusions drawn from a limited sample size should be viewed cautiously, we believe it is still possible to establish a meaningful average from the data included above. As such, we started by computing a referenced average for the email banner ads that was a simple average of two data points (i.e., average of $9.90 and $8.62 is $9.26).
In our opinion, a downward revision to this estimate is required for the following reasons:
Based on these factors and our significant experience in this advertising medium, we made a decision to reduce the average CPM by approximately 45% to $5.00.
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