User Agent Analyzer

// npm install ua-parser-js
const UAParser = require('ua-parser-js');

const parser = new UAParser(navigator.userAgent);
const result = parser.getResult();

console.log("Browser:", result.browser.name, result.browser.version);
console.log("OS:", result.os.name, result.os.version);
console.log("Device:", result.device.type, result.device.model);

# pip install user-agents
from user_agents import parse

ua_string = "Mozilla/5.0 (iPhone; CPU iPhone OS 17_5 like Mac OS X)..."
user_agent = parse(ua_string)

print("Browser:", user_agent.browser.family, user_agent.browser.version_string)
print("OS:", user_agent.os.family, user_agent.os.version_string)
print("Is Mobile:", user_agent.is_mobile)
print("Is Bot/Crawler:", user_agent.is_bot)

# Mobile redirection based on User-Agent
map $http_user_agent $is_mobile {
    default 0;
    "~*android|iphone|ipod|mobile" 1;
}

server {
    if ($is_mobile) {
        rewrite ^/$ /mobile/ permanent;
    }
}