Lag your page load

laggy_proxy.js

var http = require('http');

http.createServer(function (request, response) {
	var server_request = http.request({
		host : request.headers['host'],
		port : 80,
		method : request.method,
		headers : request.headers,
		path : request.url
	}, function (server_response) {
		server_response.addListener('data', function (chunk) {
			response.write(chunk, 'binary');
		});
		server_response.addListener('end', function () {
			setTimeout(function(){
				response.end();
			}, 2000);
		});
		response.writeHead(server_response.statusCode, server_response.headers);
	});
	request.addListener('data', function (chunk) {
		server_request.write(chunk, 'binary');
	});
	request.addListener('end', function () {
		server_request.end();
	});
}).listen(8080);