B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
30%
30% -- conversion rate lift headline numbers for web content headlines (2025)
Using numbers in headlines can make the conversion rate 30% higher.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
30%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
nightwatch.io
Primary
Tier C
https://nightwatch.io/blog/a-guide-to-creating-rad-content-that-works-for-humans-and-seo/ ↗
Source Article
A Guide to Creating Rad Content That Works for Humans and SEO
Share blog
A Guide to Creating Rad Content That Works for Humans and SEO
SEO Copywriting: Crafting Content for Humans and Search Engines
SEO professionals are in an eternal battle with a bunch of robots.
If only this were a cool Terminator 2 scenario. Well, maybe one day. For now, we are only up aga…
Original Research
nightwatch.io
· Original study ↗
Methodology
Claim that using numbers in headlines increases conversion rate by 30%
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
web content headlines: 30% conversion rate lift headline numbers. Source: nightwatch.io (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/numbered-headlines-conversion-30-percent
HTML Embed
<blockquote cite="https://lighthousedata.io/data/numbered-headlines-conversion-30-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>30%</strong> -- conversion rate lift headline numbers for web content headlines<br><small>Source: nightwatch.io (2025) · <a href="https://lighthousedata.io/data/numbered-headlines-conversion-30-percent" 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.