CRL

Web Crawler System Lifecycle

12 Steps

URL Frontier Priority & Host Politeness, RFC 9309 robots.txt, DNS TTL Cache, Bloom Dedupe & Spider-Trap Guard

Step 1 of 12

Control, Policy & DNS Plane

Content & SimHash Store

Frontier Intake & HTTP Fetch Pipeline

Politeness Scheduler, Trap Guard & Bloom Dedupe

Step 1 of 12 RFC 9309 + Bloom

1. Seed URLs Enter the Frontier

Ready: click CTA to execute step-by-step hop progression.

Why This Mechanism Matters

Component Inspector

Sitemap Ingest

Seed List

IN:

OUT: