Digital ad spend in Europe grew by 13.4% Y-o-Y in H1 2016

"The AdEx Benchmark H1 2016 study reveals that mobile was central to the growth of online advertising across all formats; mobile display grew by 61.3% and mobile search by 57.3%. Mobile display was particularly prominent in the CEE region where it experienced a growth of more than 100%. The CEE region helped to drive the overall growth with an increase of 16.2% whilst the more mature markets in Western Europe experienced a growth of 13.1%.
Display advertising growth continues to outpace search*; display grew by 18.2% and search by 13.3%. Display reached nearly €7bn in H1 2016 representing 37% of total online advertising whilst search accounts for 47%. Indeed, in Central and Eastern Europe display experienced a 27.1% growth, the highest of all formats, suggesting an improvement in targeting, formats and data strategies for brand advertising."
Source;  Press release from IAB Europe, 23rd November 2016