What powers opticon.site?

Last seen Oct 2026 · 17 technologies across 12 categories

Analytics

Matomo Analytics
since Oct 2022

CDN

jQuery CDN
since Jun 2025
jsDelivr
since Jun 2025
Unpkg
since Dec 2025

Email

Mailjet
since Oct 2022

Font scripts

Font Awesome
since Oct 2022
Glyphicons
since Oct 2022

Issue trackers

Sentry
since Oct 2022

JavaScript libraries

jQuery v1.11.1
since Oct 2022
jQuery Migrate v1.4.0
since Oct 2022
Tippy.js v6
since Dec 2025

Miscellaneous

Popper v2
since Dec 2025

Programming languages

Python
since Oct 2022

UI frameworks

Bootstrap v3.4.1
since Oct 2022

Web frameworks

Django
since Oct 2022

Web servers

Apache HTTP Server
since Oct 2022

Webmail

Microsoft 365
since Oct 2022

AI Crawlers

No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.

  • robots.txt not found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No robots.txt, all AI crawlers allowed

Full breakdown

Open Page Rank

1.11 / 10 · ranked #10,938,241 of all domains

4 referring domains · OpenPageRank

Page

  • Weight: 1.1 MB · 35 requests

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on Hetzner (116.203.0.183)
  • DNS: Hetzner
  • Email: Microsoft 365
  • Email security: SPF (hard fail), DMARC quarantine
  • SSL: Let's Encrypt, RSA 2048, expires Nov 2026
  • Common Crawl link graph: rank 8,872,594, 3 hosts
  • Verified with: Microsoft 365

DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted

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