TypeScript-Crawlee-CheerioCrawler

This actor gives you a clean, ready-to-extend TypeScript template for building high-speed web scrapers using Crawlee’s CheerioCrawler. It’s built for developers who want a lightweight, predictable foundation for crawling websites and extracting structured data.

     

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Introduction

The Mosaddik Actor is essentially a starter kit: it wires together Crawlee, Cheerio, Apify’s storage, and an input schema so you can focus on scraping logic instead of boilerplate. You supply the URLs. The crawler loads them, parses the HTML with Cheerio, and stores whatever data you extract—titles by default, but customizable to anything on the page.

Why Developers Like It

It’s simple, fast, and TypeScript-first. The actor handles request routing, crawling limits, dataset outputs, and error logs so you can scale up without rewriting core logic.

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Features

Feature	Description
Crawlee + CheerioCrawler	Efficient crawling with HTML parsing built in.
TypeScript Architecture	Strong typing and maintainable structure.
Modular Input Schema	Easily define start URLs and limits.
Dataset Integration	Outputs clean, normalized records.
Extendable Logic	Swap “scrape title” for any custom selectors.

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What Data This Actor Extracts

Default behavior captures page titles and URLs, but the template is flexible enough for any structure:

Field Name	Field Description
title	Content of the <title> tag or any selectable heading.
url	The crawled page URL.
metadata	Optional added fields depending on your custom selectors.

You can expand it to scrape paragraphs, tables, images, product specs, contact info, listings, or even category pagination.

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Example Output

[
  {
    "title": "Welcome to Example",
    "url": "https://example.com"
  },
  {
    "title": "About Us – Example",
    "url": "https://example.com/about"
  }
]

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Directory Structure Tree

Mosaddik Actor/
├── src/
│   ├── main.ts
│   ├── crawler/
│   │   └── cheerio_crawler.ts
│   ├── handlers/
│   │   └── request_handler.ts
│   ├── utils/
│   │   └── logger.ts
│   └── config/
│       └── input.schema.json
├── data/
│   ├── sample_input.json
│   └── sample_output.json
├── package.json
└── README.md

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Use Cases

• Lead generation scrapers that collect names, emails, or business details.
• SEO tools extracting headings, metadata, and page structure.
• Content aggregation for blogs, news, or research portals.
• Product discovery scraping catalogs or listing pages.
• Academic and research crawlers collecting public-domain documents.

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FAQs

Is this actor ready to scrape dynamic pages?
CheerioCrawler handles static HTML. For dynamic pages, you can switch to PlaywrightCrawler within the same structure.

How many pages can I crawl?
The maxPagesPerCrawl input controls the limit—set it high for large sites or low for quick tests.

Can I add login or cookies?
Yes—Crawlee supports custom headers, sessions, and authentication flows.

Does it support pagination?
You can enqueue new links inside the requestHandler by pushing them into the crawler’s RequestQueue.

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Performance Benchmarks and Results

Primary Metric:
Fast HTML parsing suitable for high-volume crawling.

Reliability Metric:
Consistent extraction across simple and moderately complex HTML layouts.

Efficiency Metric:
Low memory footprint due to Cheerio’s lightweight parsing.

Quality Metric:
Delivers predictable, structured datasets once selectors are tuned.

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