Google’s Gary Illyes said on Twitter that Google does not support HTTP pipelining. HTTP pipelining is a technique in which multiple HTTP requests are sent on a single TCP (transmission control protocol) connection without waiting for the corresponding responses.
The technique was superseded by multiplexing via HTTP/2, which is supported by most modern browsers.
TIL that Googlebot doesn't support HTTP pipelining.
— Gary "鯨理" Illyes (@methode) June 27, 2019
PS: I like it when people ask intriguing questions. This one was from @ajkohn pic.twitter.com/67zKImCiwW
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