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The WebSocket protocol is implemented in different web browsers, web servers, and run-time environments and libraries acting as clients or servers. The following is a table of different features of notable WebSocket implementations.
The client sends an HTTP request (method GET, version ≥ 1.1) and the server returns an HTTP response with status code 101 (Switching Protocols) on success.This means a WebSocket server can use the same port as HTTP (80) and HTTPS (443) because the handshake is compatible with HTTP.
Firefox 27 has added SPDY 3.1 support. [30] Firefox 28 has removed support of SPDY 2. [24] about:networking (or the HTTP/2 and SPDY indicator add-on) [47] shows if a website uses SPDY. Opera browser added support for SPDY as of version 12.10. [48] Internet Explorer 11 added support for SPDY version 3, [49] [50] but not for the Windows 7 version ...
However, the default connection timeout of Apache httpd 1.3 and 2.0 is as little as 15 seconds [6] [7] and just 5 seconds for Apache httpd 2.2 and above. [8] [9] The advantage of a short timeout is the ability to deliver multiple components of a web page quickly while not consuming resources to run multiple server processes or threads for too ...
For instance, Firefox usually keeps 20 domain entries cached for 60 seconds. This may be configured via the network.dnsCacheEntries and network.dnsCacheExpiration configuration variables. Flushing the system's DNS cache may also help, which can be achieved e.g. in Linux with sudo service dns-clean start or in Windows with ipconfig /flushdns.
Its design goal [3] is to provide an open standard for soft, real-time message exchange between application components and ease the creation of loosely coupled architectures based on microservices. Because of this, it is a suitable enterprise service bus (ESB), [ 4 ] fit for developing responsive web applications or coordinating multiple ...
The startup time in Firefox 15 was improved for Windows users. [63] Firefox 16 was released on October 9, 2012, fixing outstanding bugs of the new features in Mac OS X Lion. There were improvements made to startup speed when a user wants to restore a previous session. [64] Support for viewing PDF files inline was added in placement of a plugin ...
In March 2014, the Windows Store app version of Firefox was cancelled, although there is a beta release. [23] SSE2 instruction set support is required for 49.0 or later for Windows and 53.0 or later for Linux, IA-32 support only applies to superscalar processors. The x64 build for Windows (introduced with Firefox 43) was exclusive to Windows 7 ...