All major online ad formats maintain healthy growth. Paid-for search was 57.7% up year-on-year to £531.3 million - a share of 57.9% of the online total. As the online audience increases (now 29.8 million individuals in the UK) so does the volume of search traffic and with 87% of consumers using search to find websites, advertisers have adopted the format not only as a direct response tool but to help build their brands and secure an online presence.

Online display advertising (including banners, skyscrapers and embedded formats) climbed 33.2% to £215.9 million and a 23.5% share of all online adspend, making it by far the fastest-growing display medium. Ten million households in the UK are now on broadband, and this is recognised by the marketing community as an opportunity to create engaging 'rich media' ads that engage consumers' attention.

While traditional press advertising expenditure fell year-on-year, online classified advertising grew 23.4% to £162.2 million, a share of 17.7% for the first half of 2006. Interruptive formats, including 'pop ups', declined by 9% to £6.8 million - the format is now worth just 0.7% of all online advertising expenditure.

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