I am trying to scrape a website but I don't get some of the elements, because these elements are dynamically created.  I use the cheerio in node.js and My code is below.  var request = require('request'); var cheerio = require('chee...
Today a lot of content on Internet is generated using JavaScript (specifically by background AJAX calls). I was wondering how web crawlers like Google handle them. Are they aware of JavaScript? Do they have a built-in JavaScript engine? Or do they si...
I want to crawl the page and check for the hyperlinks in that respective page and also follow those hyperlinks and capture data from the page...
I am in the process of learning and simultaneously building a web spider using scrapy. I need help with extracting some information from the following javascript code:  <script language="JavaScript" type="text/javascript+gk-onload"...
I am trying to simulate the login with htmlunit. Although I wrote my code according to the examples, I have encountered a boring problem. Below are some message I have picked up from the console.  runtimeError: message=[An invalid or illegal selector...
I'm using PhantomJS to retrieve this page: Target Page Link. The contents I need are under the "????" and "??????" tabs. Because this page is written in Chinese, in case you cannot find the tabs, you can use "find" functio...
Currently I have my Puppeteer running with a Proxy on Heroku. Locally the proxy relay works totally fine. I however get the error Error: net::ERR_TUNNEL_CONNECTION_FAILED. I've set all .env info in the Heroku config vars so they are all available...
I'm writing a crawler in Python. Given a single web page, I extract it's Html content in the following manner:  import urllib2 response = urllib2.urlopen('http://www.example.com/') html = response.read()   But some text components don...
I have been doing webcrawling for the last couple weeks. Using a PHP library (PHP Simple DOM), im running a php script (using terminal) to fetch some URLs and JSON some data from it. This has been working very nice so far.  Recently i wanted to expan...
So i'm trying to create a web spider. I've run into a website, that has some javascript, and I want to trick the browser into thinking that an event has been fired and that it must call the corresponding javascript code to handle the event. H...

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