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 facebookexternalhit/1.1.

clear
TimestampUser AgentAssets
2026-08-07 00:00:16.109 UTC
facebookexternalhit/1.1
0
no JS
2026-08-07 00:00:14.342 UTC
facebookexternalhit/1.1
0
no JS
2026-08-05 12:34:44.101 UTC
facebookexternalhit/1.1
0
no JS
2026-08-05 12:34:41.631 UTC
facebookexternalhit/1.1
0
no JS
2026-07-27 08:05:08.965 UTC
facebookexternalhit/1.1
0
no JS
2026-07-27 08:05:07.261 UTC
facebookexternalhit/1.1
0
no JS
2026-07-05 15:21:08.799 UTC
facebookexternalhit/1.1
0
no JS
2026-07-03 04:06:51.523 UTC
facebookexternalhit/1.1
1
no JSog-img
2026-07-02 19:07:06.332 UTC
facebookexternalhit/1.1
0
no JS
2026-06-22 12:14:20.156 UTC
facebookexternalhit/1.1
0
no JS

By user agent

Running counts across all 6843 homepage requests (3 distinct agents). Click one to set the filter above.

User AgentRequestsJS ran
facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
41 0
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_1) AppleWebKit/601.2.4 (KHTML, like Gecko) Version/9.0.1 Safari/601.2.4 facebookexternalhit/1.1 Facebot Twitterbot/1.0
16 0
facebookexternalhit/1.1
10 0

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 path /robots.txt to user agent facebookexternalhit/1.1. 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.

PathRequestsDistinct UAs
/robots.txt 15 1

Requests (15 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.

TimestampPathUser Agent (click for reverse lookup)Related trace
2026-08-08 08:53:13.981 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
2026-08-07 13:36:39.614 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
2026-08-07 10:42:58.427 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
2026-08-07 10:42:58.223 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
2026-08-07 06:51:39.666 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
2026-08-06 10:33:27.675 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
2026-08-06 10:33:27.255 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
2026-08-06 08:27:55.794 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
2026-08-06 07:20:02.092 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
2026-08-05 10:33:05.465 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
2026-08-05 09:39:54.027 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
2026-08-05 09:39:52.913 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
2026-08-05 07:54:04.485 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
2026-08-05 07:54:03.980 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
2026-08-04 07:42:23.835 UTC /robots.txt facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)

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