B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Dated

13.5%

13.5% -- ad spend growth rate for UK online advertising (H1 2011)

H1 2011  · IAB

UK online advertising spend grew by 13.5% year-on-year in the first half of 2011.

  • Excludes mobile advertising expenditure
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Attribution: IAB View source
Lighthouse Research Team
Last verified:  ·  How we verify data →
Source verified Evidence graded
Value
13.5%
Unit
Percentage
Data Vintage
H1 2011
Entity
UK online advertising
Geography
UK
B
Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

70/100 confidence
Extraction
95
Source Trust
60
Citation Chain
20
Independence
70
Methodology
45
Freshness
95
IAB Primary Tier A
https://www.iabuk.net/resources/research/uk-online-advertising-h1-2011/ ↗
Confidence: 40/100 Vintage: H1 2011 Channel: Deep Crawl
Source Article
UK advertisers 'now spending more on web than TV'- IAB
UK advertisers spent more on online advertising than on TV in the first half of 2011, with the Web accounting for 27% of the total adspend, compared to TV’s 26.1% share, according to new research. The surge in growth offset a slowdown in other forms of advertising, but the total advertising market s…
Also cited by
2026-08-18
influencermarketinghub.com https://influencermarketinghub.com/
2026-08-18
Original Research
IAB · Original study ↗

Year on year growth. Source: IAB, PwC, WARC.

Methodology documented
IndustryRetail RegionUK RoleAll marketers Channelpaid_ads
Plain Text
UK online advertising: 13.5% ad spend growth rate. Source: IAB (H1 2011). Via Lighthouse Intelligence -- https://lighthousedata.io/data/uk-online-ad-spend-growth-2011
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<blockquote cite="https://lighthousedata.io/data/uk-online-ad-spend-growth-2011" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>13.5%</strong> -- ad spend growth rate for UK online advertising<br><small>Source: IAB (H1 2011) · <a href="https://lighthousedata.io/data/uk-online-ad-spend-growth-2011" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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