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Practice target. A fake marketplace built for scraping practice, no real businesses, people, or prices. View the matching lesson at Scraping Central / Learn.

Practice scraping sandbox

Catalog108

A fake online marketplace built so you can practice web scraping on a stable, permanent, structured target. Every URL is documented, every page teaches something, and every dataset is deterministically seeded.

Browse the catalog Open challenges index

What lives here

Every lesson at Scraping Central / Learn points at a stable URL on this site.

Products

5,000-item catalog. Pagination, filters, cursors, infinite scroll, JSON-LD blocks. Lab target for Sub-Path 1 lessons.

Blog

500 synthetic articles with tags, authors, dates, RSS feed. Lab target for content-extraction lessons.

Jobs board

Listings, search, company pages, mixed <table> and <div> layouts.

Live deals

Prices update on a JS-driven ticker. Lab target for WebSocket-style polling lessons.

Challenges

Explicit, categorized scraping targets, pagination, forms, auth, anti-bot, dynamic, API. Each has a grader endpoint.

Public API

REST, GraphQL, and (simulated) WebSocket endpoints with OpenAPI documentation.

How to use this site

  1. Pick a lesson on Scraping Central / Learn.
  2. Follow the “Lab target” link, it lands on a stable Catalog108 URL.
  3. Write your scraper. Submit results to the matching /grade endpoint.
  4. Iterate. The site is the same every day, except for deliberately rotating data (deals, news).