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Web Scraper multiple record extraction tutorial

#Web scraping
2024-12-23 21:478 min read

Content Introduction

In this tutorial, the presenter demonstrates how to extract data from product pages, specifically focusing on multiple records from a single page. The session begins with a recap of navigating multi-level sites and extracting data from product listings. The tutorial covers creating a sitemap, using element selectors to identify product wrapper elements, and selecting child elements to retrieve product details such as names, prices, and descriptions. Additionally, strategies for handling pages with infinite scrolls and 'load more' buttons are discussed, including the implementation of click selectors and delays to dynamically load new data. The video showcases practical examples and emphasizes completing selectors and subsequently running the scraper to display the extracted data.

Key Information

  • The tutorial demonstrates how to extract data from product pages, focusing on retrieving multiple records from a single page.
  • It covers the creation of a sitemap and selecting element selectors to identify product wrapper elements and their child elements.
  • The tutorial also explains how to handle pages with infinite scrolling and those with a 'load more' button to incrementally retrieve more data.

Timeline Analysis

Content Keywords

Data Extraction Tutorial

This tutorial demonstrates how to navigate multi-level sites and extract data from product pages, focusing on extracting multiple records from a single page, including product names, prices, and other relevant information.

Element Selector

The element selector is used to locate wrapper elements of products, allowing the extraction of data from each product using child selectors. The tutorial emphasizes the importance of selecting the right elements for accurate data gathering.

Infinite Scroll

The video illustrates how to handle pages with infinite scroll, using an element selector to scroll down and load more products dynamically. It includes tips for ensuring the data is continuously extracted as new elements appear.

Load More Button

Instructions are provided on how to use a click selector for load more buttons, allowing repeated clicks until no new products are loaded, ensuring comprehensive data scraping from interactive elements.

Data Preview

The tutorial concludes with a data preview demonstration, showcasing how the selectors can successfully extract all required data, affirming the effectiveness of the extraction process.

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