SemanticScholarBot

academic SemanticScholarBot

Semantic Scholar web crawler for academic content

About this crawler

SemanticScholarBot is a web crawler identified by the regular-expression pattern SemanticScholarBot in the User-Agent request header. It is categorised as academic. Use the regex above to detect, log, allow, or block SemanticScholarBot traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

0.13%
latest snapshot
2026-06-04
matched key: SemanticScholarBot
2026-05-012026-06-040.17%

Technical details

Name
SemanticScholarBot
Pattern
SemanticScholarBot
Tags
academic
Reference
https://www.semanticscholar.org/crawler
Added
2015/03/28
Instances
2 known sample(s)

Sample User-Agent strings

SemanticScholarBot/1.0 (+http://s2.allenai.org/bot.html)
Mozilla/5.0 (compatible) SemanticScholarBot (+https://www.semanticscholar.org/crawler)

Block this crawler

robots.txt — disallow SemanticScholarBot:

User-agent: SemanticScholarBot Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} SemanticScholarBot [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "SemanticScholarBot") { return 403; }
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