u/Abject-Ad-7785

I'm building a website that allows users to download public Instagram Reels.

The basic extraction works, but I'm curious how larger downloader sites handle scale without getting blocked.

Questions:

Are most sites using residential proxies, mobile proxies, or datacenter proxies?

Do they rely on tools like yt-dlp, custom scrapers, or browser automation?

How aggressively do they cache Reel data?

At what request volume do Instagram rate limits become a serious issue?

Is proxy rotation alone enough, or are there other fingerprinting challenges that need to be addressed?

I'm interested in real-world architectures and lessons learned from people who have operated downloader or scraping services at scale.

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