Intro

HTTP/2 Wiki

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測試方法

首先可以檢查CURL是否支援HTTP2:

$ curl --version
...
Features: AsynchDNS IPv6 Largefile GSS-API Kerberos SPNEGO NTLM NTLM_WB SSL libz HTTP2 UnixSockets HTTPS-proxy

CURL --http2

HTTP/2 with curl

利用CURL的--http2參數指定開啟HTTP/2並用的-I參數回傳Header確認Protocol：

$ curl --http2 -I https://www.google.com
HTTP/2 200 
content-type: text/html; charset=ISO-8859-1
...