Marginalia

Fully verifiable

The crawler behind Marginalia Search, an independent search engine focused on older, text-heavy, and non-commercial web pages. Identifies itself by a bare URL rather than a conventional bot token.

Operated by Marginalia Search · Official documentation

User agents

Patterns this directory matches, with real observed strings.

regexsearch\.marginalia\.nu
observedsearch.marginalia.nu

How to verify

Fetch the official IP range feed

curl -s https://search.marginalia.nu/crawler-ips.txt

IP ranges (14)

Refreshed daily from the operator's feed. Also available as /data/ips/marginalia.ips and /data/bots/marginalia.json.

193.183.0.162/32
193.183.0.163/32
193.183.0.164/32
193.183.0.165/32
193.183.0.166/32
193.183.0.167/32
193.183.0.168/32
193.183.0.169/32
193.183.0.170/32
193.183.0.171/32
193.183.0.172/32
193.183.0.173/32
193.183.0.174/32
81.170.128.52/32

Good Bot Practices scorecard

Identifies honestly
Stable UA token documented (1 pattern)
Verifiable
Fully verifiable
Respects robots.txt
Honors robots.txt (token: search.marginalia.nu)
Behaves
Crawl-rate behavior is operator-declared; not machine-verifiable from this dataset
Reachable operator
Operator and documentation published

Measured against the Good Bot Practices.