If anyone need in future for the same problem. Using puppeteer-extra I have tested the code on a server. On 2nd run there is google Captcha. You can solve it your self and restart the bot or use a Captcha solving service. I did run the code more than 10 times there is no ip … Read more
evaluate the function You can pass the dynamic script using evaluate. (async function(){ var puppeteer = require(‘puppeteer’); const browser = await puppeteer.launch(); const page = await browser.newPage(); var functionToInject = function(){ return window.navigator.appName; } var data = await page.evaluate(functionToInject); // <– Just pass the function console.log(data); // outputs: Netscape await browser.close(); })() addScriptTag and readFileSync … Read more
There is a headless browser detection test which tests for the following: Does the User-Agent contain the string “HeadlessChrome”? Is navigator.webdriver set? Is window.chrome unset? Does the browser skip asking for permissions (like notifications)? Are browser plugins unavailable? Is navigator.languages unset? If your browser answers any of these questions with yes, then you fail the … Read more
The DOM is the DOM, and the JavaScript implementation is simply a separate entity. The DOM represents a set of facilities that a web browser exposes to the JavaScript environment. There’s no requirement however that any particular JavaScript runtime will have any facilities exposed via the global object. What Node.js is is a stand-alone JavaScript … Read more
you need not use PhantomJS as an alternative to Selenium. Selenium includes a PhantomJS webdriver class, which rides on the GhostDriver platform. Simply install the PhantomJS binary to your machine. in python, you can then use: from selenium import webdriver dr = webdriver.PhantomJS() and voila.
PhantomJS – http://phantomjs.org/ PhantomJS is a headless WebKit with JavaScript API. It has fast and native support for various web standards: DOM handling, CSS selector, JSON, Canvas, and SVG. You can couple it with something like php-PhantomjsRunner (now deprecated) if you want or bake your own. When setup and ready to start testing with PhantomJS, … Read more
I use webkit as a headless browser in Python via pyqt / pyside: http://www.riverbankcomputing.co.uk/software/pyqt/download http://developer.qt.nokia.com/wiki/Category:LanguageBindings::PySide::Downloads I particularly like webkit because it is simple to setup. For Ubuntu you just use: sudo apt-get install python-qt4 Here is an example script: http://webscraping.com/blog/Scraping-JavaScript-webpages-with-webkit/
There had been a lot of discussion going around about the unpredictable CPU and Memory Consumption by Chrome Headless sessions. As per the discussion Building headless for minimum cpu+mem usage the CPU + Memory usage can be optimized by: Using either a custom proxy or C++ ProtocolHandlers you could return stub 1×1 pixel images or … Read more
Here are a list of headless browsers that I know about: HtmlUnit – Java. Custom browser engine. Limited JavaScript support/DOM emulated. Open source. Ghost – Python only. WebKit-based. Full JavaScript support. Open source. Twill – Python/command line. Custom browser engine. No JavaScript. Open source. PhantomJS – Command line/all platforms. WebKit-based. Full JavaScript support. Open source. … Read more