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27 Ιουν 2024 · To enable Keep-Alive, you need to explicitly request it via the HTTP header by accessing .htaccess or the main configuration file of your web server. If you turn on Keep-Alive, the HTTP response header will show Connection: keep-alive.
A keep-alive allows an existing TCP connection to be re-used for multiple requests/responses, thus avoiding all of that overhead. That is what makes the connection "persistent". In HTTP 0.9 and 1.0, by default the server closes its end of a TCP connection after sending a response to a client.
6 Απρ 2022 · The <httpProtocol> element configures HTTP keep-alive connections as well as both custom and redirect response headers that Internet Information Services (IIS) 7 sends to Web clients. A browser typically makes multiple requests in order to download an entire Web page.
26 Ιουλ 2024 · Keep-Alive. The Keep-Alive general header allows the sender to hint about how the connection may be used to set a timeout and a maximum amount of requests. Note: Set the Connection header to "keep-alive" for this header to have any effect.
HTTP persistent connection, also called HTTP keep-alive, or HTTP connection reuse, is the idea of using a single TCP connection to send and receive multiple HTTP requests/responses, as opposed to opening a new connection for every single request/response pair.
Enabling keep-alive tells the browser of your visitors to establish a TCP connection once instead of multiple times to request all the web files loaded on your web page (like images, CSS scripts, Javascripts, etc..).
2 Ιουν 2022 · The Keep-Alive header is referenced only when the HTTP Connection header is set to keep-alive. It includes parameters to govern the idle timeout and the maximum number of HTTP requests. There are two directives: timeout and max.
