B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
26%
26% -- unsubscribe rate reduction for Email subject lines containing the word 'video' (2016)
Using the word 'video' in an email subject line reduces unsubscribes by 26%.
Attribution:
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Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
26%
Unit
Percentage
Data Vintage
2016
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
HubSpot
Primary
Tier C
https://www.digitalvidya.com/blog/an-interview-with-tejas-krishna-sr-exec-digital-communication-soci… ↗
Source Article
An Interview With Tejas Krishna, Sr Exec. - Digital Communication, Social Media, PRHUB
Tejas Krishna leads the social and digital media team of a renowned marketing communications agency. Apart from work he loves writing blogs, is a community builder and they call him ‘The Social Guy’.
Digital Marketing is his bread and butter, and is closely weaved into almost everything Tejas does. …
Original Research
HubSpot
· Original study ↗
Methodology
Attributed to HubSpot in source; original study year and sample size not specified.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Email subject lines containing the word 'video': 26% unsubscribe rate reduction. Source: HubSpot (2016). Via Lighthouse Intelligence -- https://lighthousedata.io/data/video-email-subject-unsubscribe-reduction
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<blockquote cite="https://lighthousedata.io/data/video-email-subject-unsubscribe-reduction" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>26%</strong> -- unsubscribe rate reduction for Email subject lines containing the word 'video'<br><small>Source: HubSpot (2016) · <a href="https://lighthousedata.io/data/video-email-subject-unsubscribe-reduction" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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