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 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 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...
In order to provide a service for webmasters, I need to download the public part of their site. I'm currently doing it using wget on my server, but it introduce a lot of load, and I'd like to move that part to the client side.   Does an imple...
I have recently created a webpage using Angularjs and I'm currently trying to get it indexed by Google using pushstate.   I've done quite abit of research and found out that I can use Googlebot-simulater in Google Webmaster tools to simulate...

Tags

Recent Questions

Top Questions

Home Tags Terms of Service Privacy Policy DMCA Contact Us

©2020 All rights reserved.