C
Evidence Grade C
Graded
accuracy verified by the review judge
Use with Hedging
Dated
19%
19% -- email open rate increase for email marketing (subject lines containing 'video') (2019)
Including the word 'video' in an email subject line increases open rates by 19%.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
19%
Unit
Percentage
Data Vintage
2019
Entity
Evidence Quality
C
Moderate quality evidence
Useful directional data with some methodological gaps. Treat as indicative rather than definitive -- corroborate before citing in formal research.
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
30
Freshness
95
Sources (2)
fingo.co.uk
Primary
Tier C
https://www.fingo.co.uk/news-and-insights/extend-your-reach-through-video-marketing/ ↗
Source Article
Extend your reach through Video Marketing - Fingo Marketing
SUSTAINABLE VISIBILITY, SOCIAL MEDIA
Extend Your Reach Through Video Marketing
In the wake of the Oscars, we turn our attention to the role of video in online marketing. The rise of video marketing has taken platforms such as Facebook and LinkedIn by storm. Now more than ever, the consumer demands v…
Also cited by
2026-09-20
Original Research
fingo.co.uk
· Original study ↗
Segmentation
Industrymarketing
Cite this stat
Suggested hedging: According to limited, single-source data, based on claims without stated methodology, with unverified sample sizes...
Plain Text
email marketing (subject lines containing 'video'): 19% email open rate increase. Source: fingo.co.uk (2019). Via Lighthouse Intelligence -- https://lighthousedata.io/data/video-email-subject-line-open-rate-lift-2019
HTML Embed
<blockquote cite="https://lighthousedata.io/data/video-email-subject-line-open-rate-lift-2019" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>19%</strong> -- email open rate increase for email marketing (subject lines containing 'video')<br><small>Source: fingo.co.uk (2019) · <a href="https://lighthousedata.io/data/video-email-subject-line-open-rate-lift-2019" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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