What powers rycolab.io?

Last seen Aug 2026 · 22 technologies across 10 categories

Analytics

Google Analytics
since Jul 2021

Caching

Varnish
since Jul 2021

CDN

cdnjs
since Nov 2021
Cloudflare
since Jun 2022
Fastly
since Jul 2021
jsDelivr
since Jul 2021

Font scripts

Font Awesome v5.14.0
since Oct 2022
Google Font API
since Jul 2021

Hosting

IONOS
since Sep 2022

JavaScript graphics

MathJax v3.2.2
since Jul 2021

JavaScript libraries

FancyBox v3.5.7
since Jul 2021
Highlight.js
since Jul 2021
Instant.Page
since Nov 2021
Isotope
since Jul 2021
jQuery v8.11.1
since Jul 2021
LazySizes
since Mar 2022
MobX
since Jul 2021

Miscellaneous

Open Graph
since Sep 2022
PWA
since Sep 2022
RSS
since Dec 2022

PaaS

GitHub Pages
since Jul 2021

UI frameworks

Bootstrap v4.4.1
since Jul 2021

AI Crawlers

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

Audience

  • 76% desktop
  • 24% phone
  • Switzerland

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

3.56 / 10 · ranked #833,869 of all domains

30 referring domains · OpenPageRank

Core Web Vitals

LCP0.9 s
INP25 ms
CLS0
TTFB300 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English (United States)
  • CDN: Fastly
  • Weight: 2.8 MB · 76 requests
  • Structured data: JSON-LD, OpenGraph

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • rycolab
  • Industry: Education (declares EducationalOrganization)

From the homepage's own structured data (Sep 2026).

Infrastructure

  • Hosted on Fastly (185.199.108.153)
  • DNS: IONOS
  • Email: IONOS
  • Email security: SPF (soft fail), DMARC monitor only
  • SSL: Let's Encrypt, RSA 2048, expires Nov 2026
  • Common Crawl link graph: rank 86,269

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

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