Download a webpage with phantomjs from the command line. This allows to wait for javascript to be processed before saving the page, which cannot be achieved with wget. Download SaveWebpage.js, and then, from the terminal, run: phantomjs SaveWebpage.js URL nameOfSavedFile

SaveWebpage.js

var system = require('system');
var page = require('webpage').create();

var url = system.args[1];
var destination = system.args[2];

page.settings.resourceTimeout = 10000;

setTimeout(function(){
    setInterval(function () {
var fs = require('fs');
var page = require('webpage').create();
page.open(url, function () {
    console.log(page.content);
try {
    fs.write(destination, page.content, 'w');
    } catch(e) {
        console.log(e);
    }
    phantom.exit();
});
    }, 20000);
}, 1);

this timeouts after 20 seconds (it's the 20000 in line 22, time expressed in milliseconds), and saves whatever part of the page it managed to read until that moment (if there was something blocking it in the middle). The structure is more complicated than should be required, but it's because it includes the workaround to make sure the timeout actually works as suggested here: ariya/phantomjs#10832 (comment)