How Scraping Vinted Destroyed My Server (And My Ego)

🧵 I’m KazKN. Last weekend, my ego wrote a check my server could not cash. I thought scraping a Vinted clothing feed would be easy. A few requests. A little parsing. A couple alerts. Done. I was wrong. Vinted’s anti-bot stack is vicious. 😵 First came the basic 403 Forbidden responses. I laughed, bought cheap residential proxies, rotated headers, and told myself I was still in control. Then Cloudflare woke up. Error 1020. Access denied. CAPTCHAs everywhere. So I escalated. I deployed a heavier Puppeteer Stealth setup and started brute-forcing retries like an idiot. It got worse, fast. TLS fingerprinting caught my headless Chrome almost instantly. ❌ My loop kept firing anyway. Browser instances piled up. RAM disappeared. CPU spiked. The whole machine started choking. Then my dashboard went red. Then my terminal gave me this: FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory [Cloudflare] ray_id: 86b... IP permanently banned. That was the moment. My database