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Crawls hammer sites with no per-request throttling

Scrapy has no per-request delay or robots Crawl-Delay support, so default crawls can hammer small sites.

Tier II · Emerging Problems that are still building up.

3 public reports · first reported 14 July 2014 · last reported 1 January 2025

Idea report · $9 · No contacts · All sales final

See a sample idea report

What's going wrong

Scrapy users crawling unknown or small websites find that the default setup sends requests at full speed, even after the server answers with rate-limit errors.

AI-assisted: written with the help of AI from the reports. The idea report has the full summary.

In the idea report

  • The full summary.
  • The products the 3 reports are about, and how many came each month.
  • Related problems.

No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.