Alphabet Renderer Bot

Identity

  • Name: Alphabet Renderer
  • User-Agent Strings:
    • Mozilla/5.0 (X11; Ubuntu; Linux x86_64) Chrome/136.0.7103.25 WebKit/18.4 (KHTML, like Gecko) Alphabet/25.09.61 (+https://noordigital.com/alphabet) Playwright/1.52.0.0
    • Mozilla/5.0 (Linux; Android 13; Pixel 7 Pro) AppleWebKit/18.4 (KHTML, like Gecko) Chrome/136.0.7103.25 Mobile Safari/18.4 Alphabet/25.09.61 (+https://noordigital.com/alphabet) Playwright/1.52.0.0
    • Identifier substring: Alphabet/2
  • Owner: Noor Digital Agency AB
  • Contact: [email protected]

Purpose & Behavior

  • Crawls a list of specified URLs only (not a general spider).
  • Fetches HTML pages only.
  • Purpose: Page content analysis via in-house AI agents.
  • Crawl frequency: Based on crawl requests and freshness checks.

Respect & Controls

  • Robots.txt: Not applicable (Alphabet only crawls explicit URL lists, not whole sites).
  • Meta robots: Not applicable.
  • Opt-out: Exclude the URL from crawl list.
  • Rate limits: Adaptive. Up to 30 connections across multiple domains, adjusted by server response and rendering time.
  • Concurrency: Max 30 pages concurrently across domains.

Technical Details

  • Reverse DNS ranges:
    • .alphabet-hub.dnscdn.se
    • .alphabet1.dnscdn.se → .alphabet15.dnscdn.se
  • Headers: Default headless browser headers only.
  • Retry policy: No retries unless the URL reappears in the crawl list.
  • Crawl origin: Hetzner servers, Finland.

Access Info