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I have the following simple http-server setup using node.js:

var http = require('http'); var port = 12311 http.createServer(function (req, res) { console.log("Incomming request from " + req.connection.remoteAddress); res.writeHead(200, { 'Content-Type': 'text/plain' }); res.end("test string"); }).listen(port); console.log("Listening on " + port);

As you can see, when a request comes in, I log it to the console. Now when I browse to localhost:12311 the console shows that two connections have come in:

"E:\Program Files\nodejs\node.exe" hello-world-server.js Listening on 12311 Incomming request from 127.0.0.1 Incomming request from 127.0.0.1

Why is this?

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    Might be the request for the icon. Look at the network tab in the developer tools of your browser. Commented Mar 6, 2014 at 8:57
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    @dystroy Yes! you are right, I tried logging req.url and guess what? It shows a request for favicon.ico. I guess I wast to fast to ask :) Commented Mar 6, 2014 at 8:58
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    Try logging more of the request object... it will show you the difference between the 2 requests. Commented Mar 6, 2014 at 8:58
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    You can log the req.url, properly it's the favicon.ico Commented Mar 6, 2014 at 8:58
  • @dystroy you can write it as a formal answer so I can accept Commented Mar 6, 2014 at 8:59

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It's usually the request for the favicon.ico. Even if you don't have one, it's requested as the norm defines a default file path if you don't set the relevant <link rel="shortcut icon"... in the header.

The best ways to find about the requests are :

  • client side, by opening the developer tools and looking at the network tab.
  • server side, by logging req.url
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