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The 4-Step Method I Use to Build Every Web Scraper
How-ToWeb Development

The 4-Step Method I Use to Build Every Web Scraper

via Dev.to WebdevАлексей Спинов2h ago

Every scraper I build follows the same 4-step process. It works for any website. Step 1: Check for a JSON API (5 min) Open browser DevTools → Network → XHR. Browse the page. Look for JSON responses. If found → use that endpoint. You're done. No HTML parsing needed. Examples: Reddit ( .json ), YouTube (Innertube), HN (Firebase) Step 2: Check for RSS/Atom (2 min) Look for <link rel="alternate" type="application/rss+xml"> in the page source. If found → parse XML. Done. Example: Google News Step 3: Check for JSON-LD (2 min) Search for <script type="application/ld+json"> in page source. If found → parse JSON. Contains structured product/review/organization data. Example: Trustpilot Step 4: Last Resort — HTML Parsing Only if steps 1-3 fail. Use Cheerio (fast) or Playwright (JavaScript rendering). This is the MOST COMMON approach but should be your LAST choice. Apply This to Any Website DevTools → Network → look for JSON View source → search for RSS View source → search for JSON-LD Only then

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