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}}</ref>{{citation needed|date=June 2023}}
In recent years{{When|date=January 2025}}, the standardisation and widespread support of [[WebSocket]] and [[Server-sent events]] has rendered the Comet model obsolete.
==History==
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===First Comet applications===
The first set of Comet implementations dates back to 2000,<ref name="CometDaily_History">{{cite web |url=http://cometdaily.com/2007/10/19/comet-and-push-technology/ |title=CometDaily: Comet and Push Technology |access-date=2007-12-15 |archive-url=https://web.archive.org/web/20071113174053/http://cometdaily.com/2007/10/19/comet-and-push-technology/ |archive-date=2007-11-13 |url-status=dead }}</ref>{{unreliable source?|date=November 2017}} with the [[Pushlets]], [[Lightstreamer]], and KnowNow projects. [[Pushlets]], a framework created by Just van den Broecke, was one of the first<ref name="pushlets-javaworld">Just van den Broecke (1 March 2000). “[http://www.javaworld.com/article/2076063/java-web-development/pushlets--send-events-from-servlets-to-dhtml-client-browsers.html Pushlets: Send events from servlets to DHTML client browsers] {{Webarchive|url=https://web.archive.org/web/20140804175811/http://www.javaworld.com/article/2076063/java-web-development/pushlets--send-events-from-servlets-to-dhtml-client-browsers.html |date=2014-08-04 }}”. JavaWorld. Retrieved 1 August 2014.</ref> open source implementations. Pushlets were based on server-side Java servlets, and a client-side JavaScript library. Bang Networks{{snd}} a [[Silicon Valley]] start-up backed by [[Netscape]] co-founder [[Marc Andreessen]]{{snd}} had a lavishly
|url=http://news.cnet.com/2100-1023-255088.html
|title=Will the "refresh" button become obsolete?
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Browser-native technologies are inherent in the term Comet. Attempts to improve non-polling HTTP communication have come from multiple sides:
* The [[HTML 5]]
* The [[HTML 5]] [[WebSocket]] API working
{{cite web
|url=http://www.w3.org/TR/websockets/
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}}</ref>
* Use of plugins, such as [[Java applet]]s or the proprietary [[Adobe Flash]] (using [[Real-Time Messaging Protocol|RTMP]] protocol for data streaming to Flash applications). These have the advantage of working identically across all browsers with the appropriate plugin installed and need not rely on HTTP connections, but the disadvantage of requiring the plugin to be installed
* [[Google]] announced<ref>App, The. (2010-12-02) [
==See also==
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