Build a Web Scraper in Go

Overview

Use Golang 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 doing data analysis, this project will teach you how Go can be used to build a command-line application.

Syllabus

Setup

Setup the environment.

Crawling

Build the core crawling engine by implementing the main crawler logic, HTTP request handling, and recursive page discovery to systematically traverse websites.

Concurrency

Learn to speed up your web crawler using goroutines 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.