Html5-php+js How to implement push function

It's comet.

Now there are two requirements to achieve

1, a new user questions, the Web interface automatically pop-up questions
2, the number of problems under a tag increased by 1 The total number of Web interface tags automatically add 1

In fact, do not consider the server pressure how to do it.
How to minimize server pressure without being too concerned about compatibility
Available HTML5

Reply content:

It's comet.

Now there are two requirements to achieve

1, a new user questions, the Web interface automatically pop-up questions
2, the number of problems under a tag increased by 1 The total number of Web interface tags automatically add 1

In fact, do not consider the server pressure how to do it.
How to minimize server pressure without being too concerned about compatibility
Available HTML5

PHP Web message Push framework

There are ready-made open source can be used directly, the use is very simple.
Based on WebSocket, automatically turn to comet when not supporting websocket, non-rotation, good performance
Demo: Click here to view Web message push Demo

Currently I have tried two websocket based frameworks, one is Swoole, one is Workerman, you can try

WebSocket

The Segmentfault notification is that the Web client initiates a request to pull data every minute.

One project idea is to pull data each time the user actively get and post requests

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