Web Scraping vs Browser Extensions: When to Use Each for Data Extraction

You need data from a website. Do you write a Python scraper? Spin up Playwright? Use a browser extension? After extracting data from hundreds of different sites, I've developed a framework for choosing the right tool. The Options Approach Runs Handles JS Login Support Setup Time Python + requests Server ❌ Manual cookies 5 min Python + BeautifulSoup Server ❌ Manual cookies 5 min Playwright/Puppeteer Server ✅ Scriptable 15 min Browser Extension User's browser ✅ Automatic 0 min Copy-paste User's browser ✅ Automatic 0 min Each has tradeoffs. Let's break them down. Option 1: Python + Requests/BeautifulSoup Best for: Static HTML pages, APIs, automated pipelines import requests from bs4 import BeautifulSoup response = requests . get ( " https://example.com/data " ) soup = BeautifulSoup ( response . text , " html.parser " ) table = soup . find ( " table " ) rows = [] for tr in table . find_all ( " tr " ): row = [ td . get_text ( strip = True ) for td in tr . find_all ([ " td " , " th " ])] row