Build a Web Scraper in TypeScript

Overview

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Use TypeScript to build a web crawler that scrapes pages. It's a tool that any SEO expert would be happy to have. You'll make HTTP requests and parse HTML to generate reports that can easily marshaled to standard output or a file. If you're interested in getting a job using Node.js, this project will teach you how Node can be used to build a command-line application.

Syllabus

Setup

Get started with web scraping by setting up your TypeScript environment and building essential functions to normalize URLs and extract links from HTML content.

Crawling

Concurrency

Learn to speed up your web crawler using async/await and concurrency, crawling multiple pages simultaneously while respecting configurable limits.

Reporting

Learn to analyze and export your web scraping results with custom reporting tools that generate both human-readable summaries and JSON datasets for further analysis.