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NONE: ONLINE-ADS>> DEBATE: 4/20/98 - measuring impressions, digest # 06

ONLINE-ADS>> DEBATE: 4/20/98 - measuring impressions, digest # 06

richard_at_tenagra.com
Mon, 20 Apr 1998 13:00:13 -0500 (CDT)

How should our industry measure an impression?
4/20/98, digest # 06

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Contents

Position Statements
1.) Chris Redlitz - Adauction.com

Panelists' Responses:
2.) Neil Monnens - WebRep

Online Ads List Responses:

3.) Paul Hart - Less promotion; more discussion
4.) Joe Savelberg - Technology I discussed was developed by Vademecum
5.) Ulrich Voss - Is MatchLogic's technol0gy dependent on Java?
6.) Dick Bennett - ABC Interactive has identified 5 different methodologies
7.) Don Westrich - Client-side measurement addresses just about all the issues

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Chris Redlitz
Vice President, Media Sales
Adauction.com
chris_at_adauction.com

An impression should be defined as one ad that has been seen by one
user. That said, determining whether an impression has been
successfully displayed and seen by a user is alot more complex.
Ideally, an ad server should count an impression only after an ad is
successfully loaded onto a user's screen. Unfortunately, due to
technical limitations, this is not always possible - many, if not all ad
servers, count impressions at the time they are called instead of after
successful delivery; and impressions delivered from cache often bypass
the ad-server entirely.

Counting cached impressions brings us closer to a true number and is
therefore essential to proper reporting. Viewers cannot tell if an ad
impression is cached; and a click-through on a cached impression is no
less valuable then a click-through on a non-cached impression.
Unfortunately, cached impressions will often reflect a lower
click-through rate. But when all is said and done, the advertiser
received an impression and that is what they are paying for.

Patric Miller of Kweb Radio.com suggested that higher click-throughs
should warrant a higher cpm. I can see the value in this, but only if
we adopt an industry-wide standard that deals once and for all with
caching. Otherwise, weíll continue comparing apples and oranges, which
then becomes a spin game where marketers use multiple counting
methodologies to come up with the best-looking numbers.

-----------------------------POST NUMBER 2

Date: Sat, 18 Apr 1998 08:57:24 -0700
From: Neil Monnens <nmonnens_at_webrep.net>

>Even more, others argue that magazines don't charge for
>pass-along readership, and therefore neither should the
>internet charge for cached impressions.

Pass along readership refers to readers of a publication that did not
purchase the publication nor subscribe. Cached impressions are ad banners
that have already been seen (downloaded) by a browser. Not an accurate
comparison.

>Others argue they refuse to pay for cached ads, as the
>cached ads are already accounted for in reports, and
>including these cached impressions would reduce click rates
>- without including cached impressions, the industry is
>getting an inaccurate measurement and a false sense of
>reality.
Agree with Keith.

An advertiser should pay for every ad impression (in the general sense)
whether it is a cached impression or an original impression. A smart
advertiser will want to know exactly how many times their ad has been seen.
If a site only measures original impressions in order to get a better
click rate (to translate to more business), my advice is to stop fooling
yourself and just lower your CPM.

If you don't want to pay for your ad being seen more than one time, request
a one time frequency.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Neil Monnens (mailto:nmonnens_at_webrep.net)
WebRep, LLC.
1850 Union St., Suite 1149
San Francisco, CA 94123
Tel 415 440-3494
Fax 415 922-8815
Client list: < http://www.webrep.net/Pages/list.html >
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

-----------------------------POST NUMBER 3

Date: Sat, 18 Apr 1998 13:14:19 -0400
From: Paul Hart <paulh_at_cnet.com>

Folks,

I have a little axe to grind. We are looking at trying to discuss a
standard methodology (and definitions) for counting the concept of an Ad
Impression. This "standard" needs to be useable and implementable by
everyone. Using this discussion to showcase a product isn't a productive
use of anyone's time, unless you are willing to reveal how you actually
implement your product and why that method is the best one.

Thus, I would ask for less promotion of products and more discussion of
the definitions, technology and concepts.

-Paul

-----------------------------POST NUMBER 4

Date: Sat, 18 Apr 1998 17:37:38 +0200
From: Joe Savelberg <joe_at_euregio.net>

In my last message, I explained how you can get more reliable results for
visitors and impressions by using non-existent images and browserversion/IP
matching.

There is one company which is already using this kind of auditing method
and they've already used it for months: Vademecum <http://www.vademecum.be/>
I suggest that interested parties contact them for more information about
their patent pending auditing method.

I'm not affiliated with Vademecum, except that they are auditing my site
and I've seen the difference their technology can make (especially when it
comes to cached requests and proxy servers).

Best regards;

Joe.

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-----------------------------POST NUMBER 5

Date: Sun, 19 Apr 1998 16:29:48 +0000 From: "Boersenspielteam" <boersenspiel_at_vocalweb.de>

Hi again form Germany,

one question to Keith from Matchlogic:

Is your technique for measuring cached pageviews dependent on Java(script) or any other client-side technology, that is not available in *all* browsers on *all* plattforms? I can't find the info on your pages www.truecount.com, but I can't think of any solution, which is better than the German "pragma: no-cache; expires one day ago, etc." GIF. If you use Java(script) you count the pageviews from capable browsers extremly accurate, but you count the pageviews from uncable browsers rather unaccuratly. Which in the end means: Your solution is not better than the German solution.

And one remark to Joe suggestions with the non-existent GIF-file: essentially the same solution, as the German solution with a non cacheable GIF through a modified webserver. Much easier to handle, but a broken image on every page doesn't look too beautiful ...

I'll put up one page with a broken image in May and report the results: HTML-Downloads vs. Pageviews as definied in Germany vs. broken-image-count. Quite interesting!

Ciao

Ulrich

Ulrich Voss \ \ / /__ / ___|__ _| | VoCal web publishing \ \ / / _ \| | / _` | | voss_at_vocalweb.de \ V / (_) | |__| (_| | | http://www.vocalweb.de \_/ \___/ \____\__,_|_| Tel: (++49) 203-306-1560 web publishing

-----------------------------POST NUMBER 6

Date: Sun, 19 Apr 98 11:45:11 CST From: bennettrp_at_mailgw.accessabc.com

In response to Thomas F. Hespos, K2 Design............

There are many forms of "nonqualifying" activity that ABC Interactive audits are geared to discover and thus ensure that a site has not inappropriately accounted for. One of these nonqualifying occurrances happens to be spiders, but our audit endeavors have found several others.

He happens to have hit on one of the reasons why sites need audits, to ensure that only qualified activity has been accounted for and represented to the report viewer.

The foundation for accurate and fair measurement is standards. The IAB, CASIE, ABC and many others are working together to come up with standards which approach the objectives of accuracy, comparability and equity.

We at ABC Interactive use a group of definitions, which can be found on our website (www.accessabvs.com), as the basis for our audits. These definitions are very closely aligned to those of the IAB.

But, you can have all the best defined standards in the world and still have chaos unless you have enforcement. That is, sites can say they follow the standards (rules) while not really doing so. That's where my organization, and other auditors, come in.

On our website we have a recordkeeping guide. In one section we have a list of the known spiders (at least to the extent that our audits have discovered). We also describe other types of activity that must be excluded from "qualified" impressions.

IMPRESSION Definitions

When is an impression an impression? Or better yet, when is an impression not an impression, or something else?

ABC Interactive audits have encountered 5 different methodologies that are used by sites to serve and record ads. Much of this has been stated already by this discussion group, but we have summarized on our web site. ( http://www.accessabvs.com/webaudit/admeasurement.html ) We have determined that many of the sites that employ these differing methodologies continue to use the term "impressions" when reporting activity. In our opinion, this can be quite misleading to the report viewer.

ABC Interactive is currently involved with industry representatives through a couple of our own committees (again, see our web site) as well as CASIE and IAB to resolve these issues. The ONLINE ADS forum is seen by me to be a valuable source of input to the discussions of those groups.

Dick Bennett Sr VP Audit Svcs ABC Interactive (847) 605-0909 x350 bennettrp_at_accessabc.com

-----------------------------POST NUMBER 7

Date: Mon, 20 Apr 1998 10:52:44 -0400 From: "Don Westrich" <don_at_thethinkingmedia.com>

Client-side measurement, properly implemented, addresses just about all the issues cited in this debate. And the perception that isn't ready for prime time just isn't so anymore. It really changes the whole debate.

An apology before I go on: I'm going to make reference to my company's system, ActiveAds, with the excuse that it's the only one I know that really makes client-side reporting practical on a wide basis.

The key is to get a clean enough Java applet to include in the ad. We've done this with a tiny bit of microcode, measured in bytes, not kilobytes, with a patented technique. It goes a long way to solve the problems of measuring not just impressions, but overall advertising effectiveness.

Here's how:

Accuracy & Scope of Results: Client-side reporting show real numbers for impressions in any Java based browser, which accounts for 75% of the browsers out there - already close to universality, and for the medium term at least, Java penetration is only going to increase. That leaves a low percentage of results from non-Java browsers to be extrapolated based on server reporting, with a commensurably smaller margin of error.

Caching: Since the results are reported from the banner itself, there's no screening effect. An impression is registered every time the ad runs, whether it's served or from cache, (including local caching i.e., hitting the back button).

3rd Party Serving: Again, it's irrelevant where the request comes from; since the banner generates the report from the place where it appears.

Ads Successfully Displayed: The banner doesn't report if the it isn't loaded successfully.

Trade Off of Capabilities vs. Cost Of Use: This depends upon the implementation Java doesn't require any additional software or plug-in that have to be installed or stay resident on the client machine - that's the essence of how Java works. Also, one of the things that distinguishes ActiveAds is that there's no special software needed on the server, either. They can be served from anywhere, including 3rd party serving, just like any banner.

CPU utilization is also negligible on either side, and the overhead to the banner assets, as I said, is trivial. This also means there's no additional time demanded to download and launch ads that use our system.

Comparability: Client-side reporting parameters are set by the system, not by the server or the site, so reports are uniform, and available for the entire campaign from every execution on every site (in real time, with ActiveAds). Understand: served impressions are going to remain valuable as a comparison and are still reported, but there's an obvious extra level of detail and accuracy about actual results that served impressions just can't give.

Multiple Media Types: By using Java, client-side reporting can be used for banners, interstitials, HTML emails, web pages, etc.. Also works for any Java capable hardware, which means PDAs, cable boxes, etc. can be included too.

What Information Is Reported: Client-side reporting enables a couple of new metrics, including how long each ad was visible in a browser; the ratio of banners viewed vs. banner served; detail on what a surfer does inside interactive banners; and importantly, for transactional Java banners, how long from first click to last the surfer spent interacting in each session.

So having stated our case for banner-side reporting, I'm going to take a deep breath (and risk a hail of rotten tomatoes) and send a post tomorrow with my take on the broader question: Is An Impression a Useful Measure At All?

Don Westrich Director of Business Development Thinking Media Corp. www.thethinkingmedia.com Phone: 212 352 0606 Fax: 212 352 0904 34 West 17th Street, 6th Floor New York, NY 10011

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