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...
'never pause here' can not work    after I continue?    still paused...
i have developed website by using ruby on rails and angularjs(with JS and Jquery).I just want to know that Is it possible to have different meta tags for each page in angularjs?? According to me any crawler detects only the meta tags generated by ser...
So, maybe I'm being paranoid.  I'm scraping my Facebook timeline for a hobby project using PhantomJS. Basically, I wrote a program that finds all of my ads by querying the page for the text Sponsored with XPATH inside of phantom's page.ev...
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...

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