WARC, 17 March 2014
COPENHAGEN: Adspend via real-time bidding (RTB) more than
tripled in Europe last year and recorded growth of 32% in the fourth quarter
alone, new data has shown.
According to the Adform RTB Trend Report Europe Q4 2013, RTB
spending increased 366% in 2013 while mobile and tablet inventory grew at 518%,
a development that Adform, the Danish digital advertising company, described as
"astounding".
As reported by Campaign, this category of inventory
accounted for more than 13% of all RTB impressions in Europe in December 2013,
up from 2.65% in January 2013, and Adform expected mobile RTB to account for
about 20% of all impressions in Q1 2014.
Even more significant, Adform stated, is growing evidence of
a shift in programmatic campaign types – it identified a trend for the platform
to be used increasingly for personalised and awareness-raising campaigns rather
than just for performance and retargeting.
This was supported by data showing that the average
engagement rate in Europe rose 5% from Q3 to Q4 2013 while the average
engagement time increased by 42% to 15 seconds.
The report also found that programmatic ad trading generated
record levels of CPMs (cost per thousand impressions) for publishers, who
witnessed CPM growth of 15% from Q3 to Q4 2013 and an increase of 67% for the
whole year.
"Higher CPMs will attract more publishers to
participate in the real-time markets," the report suggested.
Turning to screen dimensions, the report noted that the 300
x 250-sized banner ad remained the most popular format while the 728 x 90 top
banner, or leaderboard, was ranked second.
Adform said it was a "shame" that too many
advertisers continued to rely on the 300 x 250 format for mobile ads, a
situation which it described as "less than ideal".
Data sourced from Adform, Campaign; additional content by
Warc staff
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