What powers celis.institute?
Last seen Aug 2026 · 29 technologies across 17 categories
Analytics
Google Analytics
since Jul 2026
CDN
Bunny
since Feb 2026
CMS
Databases
MySQL
since Aug 2022
Ecommerce
Font scripts
Google Font API
since Mar 2026
Twitter Emoji (Twemoji)
since Dec 2025
JavaScript frameworks
Vue.js
since Dec 2025
JavaScript libraries
Live chat
WhatsApp Business Chat
since Aug 2022
Miscellaneous
Open Graph
since Dec 2022
RSS
since Dec 2022
Payment processors
PayPal
since Apr 2026
Programming languages
PHP
since Aug 2022
Security
HSTS
since Jul 2025
UI frameworks
Web servers
Apache HTTP Server
since Aug 2022
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
Beaver Builder
since Jul 2024
Borlabs Cookie
since Aug 2022
W3 Total Cache
since Aug 2025
WooCommerce PayPal Payments
since Apr 2026
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.43 / 10 · ranked #970,044 of all domains
41 referring domains · OpenPageRank
Page
- Language: English (United States)
- Weight: 2.5 MB · 110 requests
- WordPress theme: bb-theme (child: bb-theme-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- CELIS Institute
- Profiles: LinkedIn
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on HOSTNET-DE-AS (83.138.84.130)
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 7,816,244, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Google Analytics Jul 2026
- detected Site Kit Jul 2026
- detected YUI Jun 2026
- dropped jQuery UI Apr 2026
- detected PayPal Apr 2026
- detected WooCommerce PayPal Payments Apr 2026
- detected Google Font API Mar 2026
- detected Bunny Feb 2026
- dropped MediaElement.js Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- detected Vue.js Dec 2025
- dropped YUI Dec 2025
- detected MediaElement.js Nov 2025
- detected YUI Oct 2025