A majority 54% of mobile video ads are 30 seconds long, while another 32% are 90 seconds in length, according to new data released by Jun Group covering the first half of the year. The researchers suggest that this combats conventional wisdom that “shorter is better on mobile.” Although the study does not compare the performance of the various ad lengths, prior research from Celtra suggests that completion rates are higher for longer mobile rich media ads containing video.
Recent research from FreeWheel has also found a move towards TV-length (i.e. 30-second) ads in online video, with comparable completion rates across 15- and 30-second spots. Read the rest at MarketingCharts.