B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
16%
16% -- follower growth rate for Heelbook (YouTube channel) (2021)
Heelbook YouTube channel grew by 16% between January and October 2021.
- Growth reported as part of project relaunch case study
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
16%
Unit
Percentage
Data Vintage
2021
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
Afonso Malheiro (afonsomalheiro.com)
Primary
Tier B
https://afonsomalheiro.com/portfolio/heelbook/ ↗
Source Article
Heelbook
Original Research
Afonso Malheiro (afonsomalheiro.com)
· Original study ↗
Methodology
Growth from January to October 2021 following project relaunch
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Heelbook (YouTube channel): 16% follower growth rate. Source: Afonso Malheiro (afonsomalheiro.com) (2021). Via Lighthouse Intelligence -- https://lighthousedata.io/data/heelbook-youtube-growth-jan-oct-2021
HTML Embed
<blockquote cite="https://lighthousedata.io/data/heelbook-youtube-growth-jan-oct-2021" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>16%</strong> -- follower growth rate for Heelbook (YouTube channel)<br><small>Source: Afonso Malheiro (afonsomalheiro.com) (2021) · <a href="https://lighthousedata.io/data/heelbook-youtube-growth-jan-oct-2021" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Related Statistics
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.