ua-tracer by Paul Kinlan

recent traces · ua-tracer

ua-tracer

what does a user agent actually fetch, follow & run?

All recent homepage requests, newest first. This page does not mint a new trace (unlike /), so you can browse the log without adding noise.

Recent homepage requests

Filter by user agent and the matching requests appear right below. Showing requests whose user agent contains meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler).

clear
TimestampUser AgentAssets
2026-07-10 10:14:51.573 UTC
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
5
no JSfaviconapple-iconmanifestiframeiframe-img
2026-06-25 17:01:20.824 UTC
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
4
no JSimgfaviconmanifestiframe

By user agent

Running counts across all 7246 homepage requests (2 distinct agents). Click one to set the filter above.

User AgentRequestsJS ran
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
2 0
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))
2 1

Unsolicited / well-known requests

Paths a user agent fetched on its own that ua-tracer never links to: robots.txt, sitemap.xml, /.well-known/*, llms.txt, the root favicon, and similar. Reveals what an agent probes on its own initiative.

Filtered to user agent meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler). clear filters

By path

Each unsolicited path with its request count and how many distinct user agents hit it. Click a path to see the individual requests; click a user agent below to reverse-look-up everything that UA did.

No unsolicited paths fetched yet.

Requests (0 shown)

The Related trace column links a probe to a homepage trace from the same user agent and IP within 30 minutes (the same crawler that fetched a well-known file usually also loaded /). The offset shows how long before/after the probe that trace was minted.

No unsolicited probe requests match the current filter.

← back to the live tracer (mints a new trace)