There are four levels of information available from the browser function.
low
<xt:browser detail="1" />
Mozilla
medium
<xt:browser detail="2" />
Mozilla/5.0
high
<xt:browser detail="3" /<
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
icon
<xt:browser detail="4" />