B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
4%
4% -- ad tracking opt in rate for Apple Safari users (2021)
There is a 4% opt-in rate to ad tracking in Safari.
- Cited as an analogy/benchmark for potential Mail Privacy Protection adoption
- Original underlying study and date not specified in the text
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
4%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
30
Freshness
95
Source
MailerLite
Primary
Tier C
https://www.mailersend.com/blog/transactional-emails-and-apple-mail-privacy-protection ↗
Source Article
Apple Mail Privacy Protection and Transactional Emails
Apple’s Mail Privacy Protection feature makes it hard to measure accurate open rates for users of the Mail app. The good news is that these new features will not affect the deliverability of your transactional emails. Learn more about what the new privacy changes mean for transactional emails and wh…
Original Research
MailerLite
· Original study ↗
Methodology
Figure cited via MailerLite (MailerSend's email marketing partner) as a proxy for expected Apple Mail Privacy Protection opt-in rates; not dated in the article and the original underlying study is not named. Vintage inferred from the article's iOS 15 launch context (2021).
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Apple Safari users: 4% ad tracking opt in rate. Source: MailerLite (2021). Via Lighthouse Intelligence -- https://lighthousedata.io/data/safari-ad-tracking-opt-in-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/safari-ad-tracking-opt-in-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>4%</strong> -- ad tracking opt in rate for Apple Safari users<br><small>Source: MailerLite (2021) · <a href="https://lighthousedata.io/data/safari-ad-tracking-opt-in-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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