So Sánh Công Cụ Web Scraping: Chọn Tool Phù Hợp

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February 5, 2026

So Sánh Công Cụ Web Scraping: Chọn Tool Phù Hợp

Có nhiều tools để scrape. Bài viết so sánh các công cụ scraping phổ biến để bạn chọn đúng.

HTTP Libraries

Requests (Python)

  • ✅ Simple, dễ học
  • ✅ Session management tốt
  • ✅ Widely used
  • ❌ Không render JavaScript
  • ⭐ Best for: Static HTML pages

httpx (Python)

  • ✅ Async/sync support
  • ✅ HTTP/2 support
  • ✅ Modern API
  • ❌ Không render JS
  • ⭐ Best for: Async scraping

aiohttp (Python)

  • ✅ High performance async
  • ✅ Built for concurrency
  • ❌ Steeper learning curve
  • ⭐ Best for: High-volume scraping

HTML Parsers

BeautifulSoup

  • ✅ Very easy to use
  • ✅ Flexible selectors
  • ✅ Forgiving với bad HTML
  • ❌ Slower than alternatives
  • ⭐ Best for: Beginners, small projects

lxml

  • ✅ Very fast (C-based)
  • ✅ XPath support
  • ✅ Memory efficient
  • ❌ Less forgiving
  • ⭐ Best for: Large-scale parsing

Parsel

  • ✅ CSS + XPath selectors
  • ✅ Used by Scrapy
  • ✅ Clean API
  • ⭐ Best for: Scrapy users

Browser Automation

Playwright

  • ✅ Modern, well-maintained
  • ✅ Auto-wait features
  • ✅ Multi-browser support
  • ✅ Great async support
  • ⭐ Best for: JavaScript sites (recommended)

Selenium

  • ✅ Mature, stable
  • ✅ Large community
  • ❌ Slower than Playwright
  • ❌ More boilerplate
  • ⭐ Best for: Legacy projects

Puppeteer

  • ✅ Chrome-focused
  • ✅ Good performance
  • ❌ Node.js only
  • ⭐ Best for: Node.js developers

Frameworks

Scrapy

  • ✅ Complete framework
  • ✅ Built-in pipelines
  • ✅ Middleware system
  • ✅ Great for large projects
  • ❌ Overkill for simple tasks
  • ⭐ Best for: Enterprise scraping

Crawlee

  • ✅ Modern framework
  • ✅ TypeScript/JavaScript
  • ✅ Built-in browser pools
  • ⭐ Best for: Node.js projects

Comparison Table

Tool JS Render Speed Difficulty Use Case
Requests+BS4 ❌ Fast Easy Static sites
Scrapy ❌* Fast Medium Large scale
Playwright ✅ Medium Medium JS sites
Selenium ✅ Slow Easy Legacy/Testing

*Scrapy có thể dùng với Splash/Playwright cho JS

Decision Tree

Website có JavaScript động?
├── Không → Requests + BeautifulSoup
│   └── Cần scale lớn? → Scrapy
└── Có → Playwright
    └── Cần Node.js? → Puppeteer

Installation

# Basic stack
pip install requests beautifulsoup4 lxml

# Async stack
pip install aiohttp

# Browser automation
pip install playwright
playwright install

# Framework
pip install scrapy

VinaProxy + Any Tool

  • Works với tất cả tools
  • Simple proxy configuration
  • Giá chỉ $0.5/GB

Dùng Thử Ngay →

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