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On the Internet, the trolls get all the attention, but there are some good Samaritans around, too. My colleague Daniel Engber forwarded me two e-mails sent to the "Explainer" inbox that suggest a desire to practice "responsible browsing":
I have a question about a couple of browsing conventions I practice.
1) If a site delivers an advertisement before content, I always wait for it to go away rather than closing the window.
2) If an article has multiple pages, I never choose "view as a single page." I do these things because I think they help the sites I visit with ad revenue.
Is that true, or am I just annoying myself for no good reason?
I daily read Slate and other free online magazines. As a means to show my support, I diligently click on every ad on each page. Thing is, I've started to doubt whether this effort is worthwhile, since I don't know the details of the sponsorship agreement. Should I just do it once for each ad instead of repeatedly doing it in each page?
Let's take the questions in order: If you want to help your favorite online magazine, you should definitely wait for the ad to go away before closing the window.
The reasoning behind this requires a longish explanation. For pretty much the entire lifetime of the Internet, the dominant metric for measuring the effectiveness of an ad has been the click-through rate.
Advertiser: "Did the ad work?"
Advertising agency: "Um, that's a tricky question."
Advertiser: "Well, how many people clicked on it?"
Marketing and advertising professionals have questioned the value of clicks, arguing that it's a crude measurement that doesn't really capture an ad's impact. Most of us never click on ads. Usability guru Jakob Nielsen has documented the phenomenon of banner blindness. When we scan a Web page, our eyes tend to skip over the advertisements. The three design elements most likely to attract our attention are plain text, faces, and "cleavage and other 'private' body parts." It also helps if the ad looks like a dialog box or a "native site component."
Who does click on ads? A 2008 study titled "Natural Born Clickers" described that cohort this way: "Heavy clickers skew towards Internet users between the ages of 25-44 and households with an income under $40,000 and are also relatively more likely to visit auctions, gambling, and career services sites." If you want an ad to get a lot of clicks, tailor it for the young, male, dirty futon crowd. Throw in a sweepstakes while you're at it.
Click-through rates are still important for text ads like Google's, the idea being that they potentially represent the last click before you buy something—like clicking on an ad for a particular car insurance after doing a search for "car insurance." For the kinds of ads that are about promoting brand awareness, such as the ubiquitous Apple ads or Geico ads, agencies de-emphasize click-throughs in search of a better measurement—or, really, a better story to tell their clients. They talk about an ad's "engagment." In the case of the interstitial ads, the computer that serves the ad records if you clicked to close the ad early. By letting an ad stay on the page longer, you are helping the site by improving the elusive engagement metric.