Парсер User Agent
Парсинг строк user agent для идентификации браузера, операционной системы, типа устройства и движка рендеринга.
Examples:
User Agent Strings - Технические детали
User agent strings identify the browser, device, and OS making a request. They're used for analytics, content adaptation, and bot detection. Note that user agents can be spoofed, so don't rely on them for security.
Альтернатива командной строки
# Get your user agent with curl\ncurl -s httpbin.org/user-agent\n\n# See all headers including user agent\ncurl -I https://example.com