B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
77%
77% -- newsletter sponsorship interest rate for Email newsletter publishers (2025)
In 2025, 77% of newsletters indicated an interest in sponsorships and advertising partnerships according to InboxReads' annual State of Newsletters report.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
77%
Unit
Percentage
Data Vintage
2025
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
60
Independence
30
Methodology
45
Freshness
95
Source
InboxReads
Primary
Tier B
https://blogherald.com/blogging-news/steve-rubel-doesnt-get-it-rss-advertising-sucks/ ↗
Source Article
The war on full feeds: what an old argument about RSS advertising tells us about the content economy today - The Blog Herald
Editor’s note (March 2026): This article is part of Blog Herald’s editorial archive. Originally published in 2006 by Duncan Riley, it has been reviewed and updated to ensure accuracy and relevance for today’s readers.
Back in the mid-2000s, a debate raged across the blogosphere that felt, at the tim…
Original Research
InboxReads
· Original study ↗
Methodology
InboxReads annual State of Newsletters report
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Email newsletter publishers: 77% newsletter sponsorship interest rate. Source: InboxReads (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/newsletters-sponsorship-interest-2025
HTML Embed
<blockquote cite="https://lighthousedata.io/data/newsletters-sponsorship-interest-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>77%</strong> -- newsletter sponsorship interest rate for Email newsletter publishers<br><small>Source: InboxReads (2025) · <a href="https://lighthousedata.io/data/newsletters-sponsorship-interest-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.