server.js

var http = require('http')
var fs = require('fs')

http.createServer(function(req, res) {
    if(req.url === '/' || req.url === '/home'){
        res.writeHead(200,{'Content-type': 'text/html'})
        var myStream = fs.createReadStream(__dirname+'/'+'index.html', 'utf8')

        myStream.pipe(res)
    }
    else if(req.url === '/facebook') {
        res.writeHead(200,{'Content-type': 'text/html'})
        var myStream = fs.createReadStream(__dirname+'/'+'facebook.html', 'utf8')

        myStream.pipe(res)
    }
    else if(req.url === '/youtube') {
        res.writeHead(200,{'Content-type': 'text/html'})
        var myStream = fs.createReadStream(__dirname+'/'+'youtube.html', 'utf8')

        myStream.pipe(res)
    }else{
        res.writeHead(404,{'Content-type': 'text/html'})
        var myStream = fs.createReadStream(__dirname+'/'+'notfound.html', 'utf8')

        myStream.pipe(res)
    }
}).listen(8081, '127.0.0.1')