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

93.2%

93.2% -- ad viewability rate for CTV ads (H1 2021)

Name: Ad Viewability Rate Statistics
Creator: Lighthouse Intelligence
Published: 2026-08-07

H1 2021 · Integral Ad Science

CTV ads reached an ad viewability rate of 93.2% globally in H1 2021.

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Attribution: Integral Ad Science View source

Lighthouse Research Team

Last verified: 2026-08-07 · How we verify data →

Source verified Evidence graded

Value

93.2%

Unit

Percentage

Data Vintage

H1 2021

Entity

CTV ads

Geography

Global

Evidence Quality

Strong, reliable evidence

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

60/100 confidence

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Sources (5)

Integral Ad Science Primary Tier A

https://www.integralads.com/resources/reports/ias-media-quality-report-h1-2021/ ↗

Confidence: 66/100 Vintage: H1 2021 Channel: Common Crawl

Source Article

IAS Media Quality Report Finds Brand Safety Wins Across the Americas

Integral Ad Science, a global leader in digital media quality, released its H1 2021 Media Quality Report (MQR). Based on trillions of global data events, the report provides insights into the performance and quality of digital media worldwide. “Our latest report points to significant brand safety wi…

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Original Research

Integral Ad Science · Original study ↗

Methodology

CTV ads remained the most viewable format overall.

Segmentation

IndustryMedia RegionGlobal ChannelCTV

Cite this stat

Plain Text

CTV ads: 93.2% ad viewability rate. Source: Integral Ad Science (H1 2021). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ias-h1-2021-ctv-viewability-global

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<blockquote cite="https://lighthousedata.io/data/ias-h1-2021-ctv-viewability-global" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>93.2%</strong> -- ad viewability rate for CTV ads<br><small>Source: Integral Ad Science (H1 2021) · <a href="https://lighthousedata.io/data/ias-h1-2021-ctv-viewability-global" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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