
The report, which is produced by WARC for the Advertising Association, said there was a "marked improvement" on Q1's 1.7% decrease.
However, online recruitment revenues experienced a dramatic plunge, down 38.9 per cent in Q2. On the positive side, the largest product sector - retail and mail order - bucked a 2.2 per cent decline in Q1, with an increase of 4.2 per cent in Q2.
Although traditional big spenders in the automotive and financial services industries reigned in online adspend, supermarkets proved the old adage that the food and drink business is relatively recession proof. The grocers upped online adspend by 22 per cent in the first half of 2009 on a year-on-year basis.
Total UK ad spend slumped by 19 per cent in the second quarter of this year at constant prices as expenditure levels fell for six consecutive quarters.
The worst hit mediums included newspapers, where adspend fell by 27.6 per cent in the period from April to June, while adspend on magazines plummeted 33.3 per cent.