Scraping Dynamic JavaScript Websites - Beautiful Soup Python

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A vast network of purpose-built libraries and rich documentation makes Python a go-to programming language for web scraping.

Gathering data from most static websites is a relatively straightforward process. However, when it comes to dynamic websites, JavaScript is used to load their content. These web pages require a different approach to collecting the desired public data.

From using a browser to detect if a website is dynamically rendered with JavaScript to locating AJAX calls, the tutorial covers every step you would require to extract structured data from raw HTML.

Follow the specified steps to learn more about Python scraping dynamic websites using one of the most popular Python libraries, BeautifulSoup. As a parser for HTML and XML documents, BeautifulSoup creates a parse tree for parsed pages based on specific criteria that can be used to extract, navigate, search, and modify data from a target website.

We recommend using a Chromium-based browser to determine the presence of dynamically rendered content. Look for specific clues to ascertain the situation.

Equipped with this knowledge, you can select the tools to extract data. Combine Selenium or Python’s Requests library to make HTTP requests and BeautifulSoup to parse raw HTML. Once the web scraping script is ready, use a headless browser to expedite the process.

BeautifulSoup pulls data out of HTML files. For parsing, HTML is needed as a string. Dynamic websites don’t have data in HTML directly, rendering BeautifulSoup incapable of working with them.

However, Selenium can automate the loading and rendering of websites. Even though Selenium supports pulling data out of HTML, it is possible to extract complete HTML and use Beautiful Soup instead to extract the target data.

You can also read more about other Python libraries in this extensive free white paper: https://oxy.yt/Kt6L

Watch these related videos:
Learn how to extract data to Excel:
🎥 https://youtu.be/XQtT7fZWv0A
Find out how to scrape multiple URLs:
🎥 https://youtu.be/Raa9f5kpvtE
For more topics on all things web scraping:
🎥 https://youtube.com/playlist?list=PL635Vr00fwj-79sD_y9gClyTaShIBPOmG

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In this video, our Content Manager Iveta explains how to scrape Javascript websites and covers the following:
0:00 Introduction
0:45 How to Detect if the Website is Dynamic
1:35 Can BeautifulSoup Render Javascript?
2:16 How to Scrape Data From a Dynamic Website
3:35 Finding Elements by Using Selenium
5:16 Finding Elements by Using BeautifulSoup
6:33 Python Scraping With a Headless Browser
7:05 Locating AJAX Calls
9:40 Data Embedding in Other Pages
11:11 Conclusion

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Видео Scraping Dynamic JavaScript Websites - Beautiful Soup Python канала Oxylabs