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Advanced Web Scraping

Automating File Uploads to Web Sites

June 12, 2017
Soeren Mondrup

Automating file uploads to websites is often very difficult because of the security implications of uploading files from your computer. Websites use special form fields to provide file upload functionality, which allow a user to select a file on his computer and upload it to the website. All web browsers restrict any automation of the file upload form field, because of the risk of users unknowingly uploading files that contain sensitive information. Content Grabber uses Chromium as web browser a ..

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Web Scraping on Modern Websites – Part 2

June 12, 2017
Soeren Mondrup

This article is the second part of my blog series Fast and Reliable Web Scraping on Modern Websites. If you have not already read my first article, I recommend you do so before you continue. In my first article I wrote about a technique to extract data from modern websites that load JSON data asynchronously from Web APIs. The example I used was a grocery website that uses simple Web API requests like this one: https://www.woolworths.com.au/apis/ui/browse?aisle=fruit-veg&category=fresh-veg ..

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Fast and Reliable Web Scraping on Modern Websites

June 01, 2017
Soeren Mondrup

Everybody involved with web scraping knows how difficult it can be to extract data from modern websites. In this blog post, I'll show you the fastest and most reliable way to extract data from a website. Once you have mastered this technique, you'll come to love these websites, since this is "nearly" as fast and reliable as pulling data straight out of a database. (Please note that you cannot use this technique with every website, but it's worth checking before you start building a web scraping ..

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