B
Evidence Grade B
Graded
under review
Safe to Cite
Current
30%
30% -- audience growth rate for Eng-Tips (online engineering community) audience (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
30%
Unit
Percentage
Data Vintage
2026
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
arrowfly.com
Primary
Tier C
https://www.arrowfly.com/online-engineering-communities-provide-useful-insights-for-marketers/ ↗
Source Article
Online Engineering Communities Provide Useful Insights for Marketers
Original Research
arrowfly.com
· Original study ↗
Methodology
Growth over the 12 months preceding the article (article collected Sep 2026; no exact measurement window given). Unattributed in the article.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Eng-Tips (online engineering community) audience: 30% audience growth rate. Source: arrowfly.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/eng-tips-audience-growth-30-percent-12-months
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<blockquote cite="https://lighthousedata.io/data/eng-tips-audience-growth-30-percent-12-months" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>30%</strong> -- audience growth rate for Eng-Tips (online engineering community) audience<br><small>Source: arrowfly.com (2026) · <a href="https://lighthousedata.io/data/eng-tips-audience-growth-30-percent-12-months" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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