Chrome отправляет это.
GET / HTTP/1.1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
Accept-Encoding: gzip, deflate, br
Host: localhost:9000
Connection: Keep-Alive
Upgrade-Insecure-Requests: 1
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: none
Accept-Language: en-US,en;q=0.9
Firefox отправляет это.
GET / HTTP/1.1
Host: localhost:9000
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:69.0) Gecko/20100101 Firefox/69.0
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
Upgrade-Insecure-Requests: 1
DNT: 1
Safari отправляет это.
GET / HTTP/1.1
Host: localhost:9000
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Upgrade-Insecure-Requests: 1
Cookie: G_ENABLED_IDPS=google
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_1) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.1 Safari/605.1.15
Accept-Language: en-us
Accept-Encoding: gzip, deflate
Connection: keep-alive
Почему они не совпадаютПринять поле. Для чего Upgrade-Insecure-Requests? Почему сафари имеет Cookie: G_ENABLED_IDPS=google. Почему Accept-Encoding и Accept-Language не совпадают? Для чего DNT? Для чего нужны Sec-Fetch-Mode: navigate и Sec-Fetch-Site: none? 1016 *