What powers sivis.com?

Last seen Sep 2024 · 16 technologies across 11 categories

Analytics

Matomo Analytics
since Sep 2023

CDN

Cloudflare
since Sep 2023

CMS

HubSpot CMS Hub
since Sep 2023

Cookie compliance

Font scripts

Google Font API
since May 2024

JavaScript libraries

core-js v3.0.1
since Aug 2022
jQuery v1.7.1
since Aug 2022
Preact
since Sep 2023

Marketing automation

HubSpot
since Sep 2022

Miscellaneous

HTTP/3
since Sep 2023
Open Graph
since Sep 2022

Security

Cloudflare Bot Management
since Sep 2023
HSTS
since Sep 2023

UI frameworks

Material Design Lite
since Sep 2023

Webmail

Apple iCloud Mail
since Jan 2023
Microsoft 365
since Dec 2022

AI Crawlers

Blocks 17 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.

Training crawlers

  • AI2Bot Blocked
  • Applebot-Extended Blocked
  • Bytespider Blocked
  • CCBot Blocked
  • ClaudeBot Blocked
  • cohere-training-data-crawler Blocked
  • Diffbot Blocked
  • FacebookBot Blocked
  • ImagesiftBot Blocked
  • img2dataset Blocked
  • meta-externalagent Blocked
  • PanguBot Blocked
  • Webzio-Extended Blocked
  • Google-Extended Allowed
  • GPTBot Allowed

Search and AI assistants

  • Amazonbot Blocked
  • DuckAssistBot Blocked
  • PetalBot Blocked
  • Applebot Allowed
  • Claude-SearchBot Allowed
  • OAI-SearchBot Allowed
  • PerplexityBot Allowed
  • YouBot Allowed

User-request fetchers

  • meta-externalfetcher Blocked
  • ChatGPT-User Allowed
  • Claude-User Allowed

The other 7 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

See who blocks each AI crawler across the web

AI Crawlers

17 of 33 AI crawlers blocked

Standards: llms.txt

Full breakdown

Open Page Rank

1.72 / 10 · ranked #4,821,505 of all domains

16 referring domains · OpenPageRank

Infrastructure

  • Hosted on DE-FIRSTCOLO firstcolo.net (212.224.92.149)
  • DNS: udag.de
  • Email: Microsoft 365
  • Email security: SPF (hard fail), DMARC quarantine, CAA
  • Common Crawl link graph: rank 11,301,983, 4 hosts
  • Verified with: Apple Business, Atlassian, Google

DNS records as swept Sep 2026. How the web is hosted

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