Your scraper isn't broken.
Your IPs are.
The code that worked perfectly on your laptop starts returning 403s, CAPTCHAs and empty pages the moment it runs at scale. You add retries. You add random delays. You rotate user agents. Nothing changes, because the target site isn't looking at your code. It's looking at where your requests come from.
If you're:
scraping prices, listings or search results every day,
feeding a RAG pipeline or an AI agent with fresh web data,
or running a data product that dies when one site blocks you,
picking the best proxies for web scraping is the decision that decides whether your pipeline survives.
I went through the pricing pages, plans and fine print of the providers developers actually use in 2026.…