B
Evidence Grade B
Graded
under review
Safe to Cite
Current
75%
75% -- average viewability rate for NMM publisher sites (2026)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
75%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Next Millennium Media
Primary
Tier B
https://nextmillennium.com/blog/which-ad-formats-command-the-highest-cpms ↗
Source Article
Which Ad Formats Command the Highest CPMs? - Next Millennium Media
Which Ad Formats Command the Highest CPMs?
Ads come in many different shapes, sizes, and formats. The question every publisher wants to know is which ad formats should be on my site? The underpinning question being: what will bring in the highest revenue.
Like most things in life, the answer is: it …
Original Research
Next Millennium Media
· Original study ↗
Methodology
In a PMP structure, can go as high as 90%
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
NMM publisher sites: 75% average viewability rate. Source: Next Millennium Media (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/nmm-average-viewability
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<blockquote cite="https://lighthousedata.io/data/nmm-average-viewability" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>75%</strong> -- average viewability rate for NMM publisher sites<br><small>Source: Next Millennium Media (2026) · <a href="https://lighthousedata.io/data/nmm-average-viewability" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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