Common Podcast Advertising Mistakes (and How to Avoid Them)
The mistakes that undermined podcast ad campaigns in 2018, from skipping attribution setup to judging results after a single episode.
Podcast advertising in 2018 looked deceptively simple: pick a show, buy a spot, wait for sales. In practice, a lot of first-time advertisers made the same avoidable mistakes, and most of them show up before the ad even airs.
Choosing shows by download count alone
The biggest, most download-heavy shows in a category aren’t automatically the best buy. A niche show whose audience matches your customer profile closely often converts far better than a broad hit show whose audience only loosely overlaps with yours. Businesses that picked shows purely off a ranked popularity list frequently ended up paying premium rates for an audience that was never a great fit in the first place.
Skipping unique attribution per show
Running the same promo code or the same landing page across multiple shows meant losing the ability to tell which placement worked. This is the single most common and most costly setup mistake, since it turns an otherwise measurable channel into a guessing game. A unique code or URL per show, set up before launch, is cheap insurance against that.
Treating one read as the whole test
A single ad read, on one episode, judged against sales in the following week, tells you almost nothing reliable about whether podcast advertising works for your business. Podcast audiences often act well after hearing an ad, and a single placement doesn’t give the format a fair chance to build the repeated exposure that drives results. Advertisers who ran a short flight and judged the whole channel on it usually walked away with the wrong conclusion.
Ignoring the host-read versus produced distinction
Handing a tightly scripted, brand-controlled ad to a host known for loose, conversational reads (or the reverse, expecting a produced spot to carry a host’s personal trust) mismatched the format to the show. The advertisers who got the best response let the format match the show’s actual style rather than forcing the same creative approach everywhere.
Underestimating the value of frequency
A show’s audience needed to hear an offer more than once before it registered enough to act on. Advertisers who bought a single week, saw modest results and pulled the campaign were often cutting it right before the frequency would have started paying off. Budgeting for a multi-week run from the outset avoided that premature conclusion.
Forgetting that back-catalog listens matter
Shows with a strong archive kept getting new listens on old episodes for months or years after release. Advertisers using dynamic ad insertion, which let ads be swapped in and out of already-published episodes, could take advantage of that ongoing listenership; advertisers who assumed only new episodes mattered left real reach on the table.
Not planning for a longer measurement window
Because podcast listening often happens while driving, working out or doing chores, the gap between hearing an ad and acting on it tended to be longer than for search or display. Advertisers who checked results the day after a flight ended, rather than a few weeks later, routinely underestimated how well the campaign had performed.
The common thread
Nearly every mistake here comes from applying the expectations of a faster, more directly measurable channel to a slower, trust-based one. Podcast advertising in 2018 rewarded patience, careful audience matching and attribution set up before launch, not after results looked disappointing.
More from Paid Advertising, the 2018 archive or the Digital Business Marketing Awards.
