user agent
[/ˈjuːzər ˈeɪdʒənt/]
nounpl: user agents
agente de usuário
1. A software application or tool that acts on behalf of a user to perform actions or access resources on the internet or a network
The web browser is the most common user agent for accessing websites.
O navegador web é o agente de usuário mais comum para acessar sites.
2. In HTTP communications, a header field that identifies the software client making a request to a server
The server logs show different user agents from mobile phones, tablets, and desktop computers.
Os logs do servidor mostram diferentes agentes de usuário de telefones celulares, tablets e computadores desktop.
3. Any software program that performs automated tasks or represents a user in digital interactions
Email clients, search engine crawlers, and chat bots all function as user agents.
Clientes de e-mail, rastreadores de mecanismos de busca e chatbots funcionam como agentes de usuário.
This is primarily technical jargon used in web development, cybersecurity, and IT industries. In Brazil, it's commonly found in technical documentation and is often used in its English form even in Portuguese-language discussions. The term reflects the globalized nature of web technology where English terminology often prevails in professional contexts across all Portuguese-speaking countries.
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