Web

• https://echo.opera.com/

  • Obtém informações sobre o request

• Qual navegador está usando

  • Muitas vezes, o USER-AGENT pode ser modificado. Dessa maneira, pode-se verificar também o tipo do navegador pela posição dos cabeçalhos no request. por exemplo:

  • Firefox 112..0.2 (64-bits) tem a ordem de cabeçalho: Host: echo.opera.com User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/112.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,/;q=0.8 Accept-Language: pt-BR,pt;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate, br Connection: keep-alive Upgrade-Insecure-Requests: 1 Sec-Fetch-Dest: document Sec-Fetch-Mode: navigate Sec-Fetch-Site: none Sec-Fetch-User: ?1

  • Firefox 40.0 tem a seguinte ordem: Host: echo.opera.com User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Connection: keep-alive

  • Chrome 107.0.5304.104 (64 bits) tem a seguinte ordem: Host: echo.opera.com Sec-Ch-Ua: "Google Chrome";v="107", "Chromium";v="107", "Not=A?Brand";v="24" Sec-Ch-Ua-Mobile: ?0 Sec-Ch-Ua-Platform: "Windows" Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,/;q=0.8,application/signed-exchange;v=b3;q=0.9 Sec-Fetch-Site: none Sec-Fetch-Mode: navigate Sec-Fetch-User: ?1 Sec-Fetch-Dest: document Accept-Encoding: gzip, deflate Accept-Language: pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7 Connection: close