Web Measure

academic Web Measure\/

Web analytics crawler gathering data for performance optimization

About this crawler

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

Block-rate · top 25k sites

0.065%
latest snapshot
2026-06-04
matched key: A1 Website Analyzer
2026-05-012026-06-040.11%

Technical details

Name
Web Measure
Pattern
Web Measure\/
Tags
academic
Reference
https://webresearch.eecs.umich.edu/overview-of-web-measurements/
Added
2026/04/17
Instances
1 known sample(s)

Sample User-Agent strings

Web Measure/1.0 (https://webresearch.eecs.umich.edu/overview-of-web-measurements/) Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36

Block this crawler

robots.txt — disallow Web Measure:

User-agent: Web Measure Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} Web Measure\/ [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "Web Measure\\/") { return 403; }
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