A skippable in-stream ad is a video advert that plays before, during or after a YouTube video, which the viewer can skip after five seconds. It is the most familiar YouTube ad format, and it used to be sold under the name TrueView in-stream.
How skippable in-stream ads work
The ad plays in the video player, on phones, computers, tablets and televisions, and sometimes on partner sites and apps that use YouTube’s player. For the first five seconds the viewer must watch; after that a “Skip” button appears. There is no fixed maximum length, but most advertisers keep these ads well under two minutes.
How you pay depends on the campaign’s goal and bid strategy. In campaigns built for views, you pay when someone watches 30 seconds of the ad, or the whole ad if it is shorter, or clicks on it; that is cost per view. In reach campaigns you pay per thousand impressions, and in campaigns aimed at sales or leads Google bids towards your target cost per conversion. The format and the billing are separate decisions, which surprises many first-time advertisers.
Targeting comes from the campaign: audiences such as in-market or custom segments, topics, placements on particular channels, and demographics. A garden design studio in Surrey might target people in the area who watch home and garden content, for example.
Why it matters
The skip button is a filter. People who keep watching have chosen to, so on a cost-per-view basis you are often paying mainly for attention you actually received. That makes the format a sensible first step into video for many businesses, because a poor ad tends to cost less than a poor television slot.
The five seconds before the skip button are the whole game. Everyone sees them, so they must carry the brand name and the reason to keep watching. An ad that saves its point for second twenty will be seen, and remembered, by very few people. Ads still need to meet UK advertising rules under the CAP Code, enforced by the Advertising Standards Authority, whatever the format.
Common mistakes
- Opening with a logo animation or scenery while the message waits for later.
- Uploading a television advert built for a captive audience, with no thought for the skip.
- Choosing a views goal when the business wants enquiries, then judging the campaign on leads.
- Relying on the default targeting and letting the ad run on children’s content or unrelated channels; review placements and use exclusions.
- Comparing view rate across very different audiences and ad lengths as if it were one measure of quality.
- No clear next step on screen, so interested viewers do not know what to do.
How to act on it
Script the first five seconds before anything else: who you are, who the ad is for and what problem it addresses, ideally with a person on screen and the product visible. Then give the people who stay a reason to act, with an on-screen call to action that matches your landing page.
Set the campaign goal to what you really want, and judge the ad by the measures that match it. For awareness, look at view rate and how far people watch. For response, look at conversions, including people who watched and converted later. Compare with the shorter bumper ad and the non-skippable in-stream ad when deciding which formats to run. I plan and manage these formats as part of my YouTube advertising service.