loads a page and checks for non secure items.

find-non-secure-assest.js

var request = require('request');
var cheerio = require('cheerio');
var url = require('url');
var httpsurl = 'https://www.yahoo.com/';
var assets = {
    img: {src:'src'},
    link: {src:'href'},
    script: {src:'src'}
};

request(httpsurl, function (error, response, html) {
  if (!error && response.statusCode == 200) {
    var $ = cheerio.load(html);
    Object.keys(assets).forEach(function(element) {
        var attrtolook = assets[element].src;
        $(element).each(function(i, link){
            var parsedurl, elementurl = $(link).attr(attrtolook);
            if(elementurl !== undefined){
                parsedurl = url.parse(elementurl);
                if(parsedurl.host !== null && parsedurl.protocol !== 'https:'){
                    console.log(element + ' points to ' + elementurl );
                }
            }
        });
    });
  }
});