Head-Of-Line Blocking

Head-of-line blocking (HOL blocking) in computer networking is a performance-limiting phenomenon that occurs when a line of packets is held-up by the first packet, for example in input buffered network switches, out-of-order delivery, and multiple requests in HTTP pipelining.
Posts about Head-Of-Line Blocking
  • HTTP/2: A Fast, Secure Bedrock for the Future of SEO

    … need eggs too? Yep, okay.", "Okay sorry one last question, do we need flour too? Nope, good." All of that data is interwoven much more efficiently on that single connection. The server can supply the browser with data whenever it is ready. There is no more "make request; do nothing while waiting; download response" loop. While slightly more…

    Moz Blogin SEO- 10 readers -
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