B
Evidence Grade B
Graded
under review
Safe to Cite
Current
89%
89% -- email deliverability rate for CrowdCow (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
89%
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
95
Source Trust
50
Citation Chain
20
Independence
30
Methodology
45
Freshness
86
Source
Bird
Primary
Tier A
https://bird.com/es-es/guides/email-deliverability-strategy-essentials-and-best-practices-for-email-… ↗
Source Article
Email Deliverability Strategy: Essentials and Best Practices for Email Performance
Key Takeaways
- Understand what email deliverability is and why it directly impacts revenue
- Learn the core factors ISPs use to decide inbox vs. spam
- Discover the most important fundamentals: confirmed opt-ins, unsubscribes, and sending only wanted email
- Recognize common infrastructure issues t…
Original Research
Bird
· Original study ↗
Methodology
Improvement observed after reducing inactive users.
Methodology documented
Segmentation
Channelcommon_crawl
Cite this stat
Plain Text
CrowdCow: 89% email deliverability rate. Source: Bird (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/crowdcow-email-deliverability-improvement
HTML Embed
<blockquote cite="https://lighthousedata.io/data/crowdcow-email-deliverability-improvement" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>89%</strong> -- email deliverability rate for CrowdCow<br><small>Source: Bird (2026) · <a href="https://lighthousedata.io/data/crowdcow-email-deliverability-improvement" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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