Getting Traffic From aocr.org? It Could Be a ByteDance Crawler
If you have noticed a burst of visits with the referrer www.aocr.org in GA4, PostHog, Plausible, Umami, Fathom, or Cloudflare, you are not alone. The short version: the referrer is forged. AOCR is not involved, and the fingerprint points to a likely ByteDance crawler stack. Who operates it is not proven.
This post adapts the findings of Tin Analytics, "Getting traffic from aocr.org? That's ByteDance crawling your website" (29 Oct 2026).
What people are seeing
Since about 24 Sep 2026, many sites show visits with the referrer www.aocr.org (American Osteopathic College of Radiology). The pattern is consistent:
- One page per visit, with a bounce rate near 100%.
- One forum got 3,135 sessions in a day; another report cites 2,768 in a day.
- Targets include GitHub repos, docs sites, and large company sites.
On the sites Tin monitors: clawmessenger.comhad 187 visits (27-29 Oct, still active), tin.computer had 3, and two...
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