What powers erg.be?

Last seen Aug 2026 · 12 technologies across 10 categories

Font scripts

Bootstrap Icons v.
since Jun 2023

JavaScript libraries

jQuery v3.7.1
since Jan 2019

Miscellaneous

Popper
since Aug 2022
PWA
since Jun 2023

Operating systems

Debian
since Sep 2019

Programming languages

Node.js
since Jun 2023

Security

HSTS
since Dec 2024

UI frameworks

Bootstrap v58
since Aug 2022

Web frameworks

Express
since Jun 2023

Web servers

Apache HTTP Server v2.4.62
since Jan 2019
Nginx v1.14.2
since Apr 2021

Webmail

Google Workspace
since Aug 2022

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

  • 53% phone
  • 47% desktop
  • Belgium
  • France

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

Open Page Rank

4.69 / 10 · ranked #359,010 of all domains

188 referring domains · OpenPageRank

Core Web Vitals

LCP1.2 s
INP75 ms
CLS0
TTFB700 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Weight: 1.3 MB · 116 requests

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • École de recherche graphique
  • Founded: 1972
  • Country: Belgium

From Wikidata (CC0).

Infrastructure

  • Hosted on MAS-ALL2ALL (79.99.200.80)
  • DNS: all2all.org
  • Email: erg.school
  • Email security: no SPF record, no DMARC record, CAA
  • SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
  • Common Crawl link graph: rank 2,761,139, 19 hosts

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

Subdomains

HostTechs
aec-vae.erg.be 8
preinscriptions.erg.be 7
pads.erg.be 6
www.erg.be 2
wiki.erg.be 1

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