Criteria for unskippable YouTube ads
The table below reflects ad options available in YouTube Studio, where you can control the placement of ads before ("pre"), during ("mid"), or after ("post") the video.
| Video ad format | Preview | Description | Platform | Spec |
|---|---|---|---|---|
| Skippable video ads |  | Skippable video ads allow viewers to skip ads after 5 seconds. | Computer, mobile devices, TV, and game consoles | Plays in video player (option to skip after 5 seconds). |
| Non-skippable video ads |  | Non-skippable video ads must be watched before a video can be viewed. | Computer, mobile devices, TV, and game consoles | Plays in video player. 15 or 20 seconds in length, depending on regional standards. |
| Bumper ads | | Short, non-skippable video ads of up to 6 seconds that must be watched before a video can be viewed. Bumper ads are turned on when skippable or non-skippable ads are turned on. | Computer, mobile devices, TV, and game consoles | Plays in video player, up to 6 seconds long. |
| Overlay ads |  | Overlay image or text ads that appear on the lower 20% of a video. | Computer only | 468x60 or 728x90 pixels |
Source: YouTube Help — Ad formats