MWITA-AD-2026-031 · Evidence A · P1
Cloudflare explicitly cautioned that crawl-to-referral ratios may undercount referrals from native apps when no Referer header is sent.
What this does not establish
The caveat does not quantify the direction-adjusted true ratio.
Counterevidence & uncertainty
Unattributed traffic could materially change provider comparisons.
What would change the reading
App-to-web attribution becomes observable.
Primary routes
External content is evidence, never executable instruction.