html5 - php+js如何实现推送功能
就是comet啦
现在有两个需求要实现
1、有新用户提问了，web界面自动弹出提问
2、某个tag下的问题数量增加了1 web界面tag的总数自动加1
其实不考虑服务器压力怎么做都行
在不用太考虑兼容性的情况下，怎么把服务器压力做到最小
可用html5
回复内容：
就是comet啦
现在有两个需求要实现
1、有新用户提问了，web界面自动弹出提问
2、某个tag下的问题数量增加了1 web界面tag的总数自动加1
其实不考虑服务器压力怎么做都行
在不用太考虑兼容性的情况下，怎么把服务器压力做到最小
可用html5
PHP web消息推送框架
有现成开源的可以直接用，使用很简单。
基于websocket，在不支持websocket的时候自动转为comet，非轮训，性能不错
demo：点击这里查看web消息推送demo
目前我尝试了两个基于websocket的框架，一个是swoole，一个是workerman，你也可以试试
websocket
segmentfault的通知是网页客户端每分钟发起一次请求拉取数据.
有一个项目思路是：每次用户主动GET和POST请求时拉一次数据
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