What powers erg.be?
Last seen Aug 2026 · 12 technologies across 10 categories
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
Debian
since Sep 2019
Programming languages
Node.js
since Jun 2023
Security
HSTS
since Dec 2024
UI frameworks
Web frameworks
Express
since Jun 2023
Web servers
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
AI Crawlers
No robots.txt, all AI crawlers allowed
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
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 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
| Host | Techs |
|---|---|
| aec-vae.erg.be | 8 |
| preinscriptions.erg.be | 7 |
| pads.erg.be | 6 |
| www.erg.be | 2 |
| wiki.erg.be | 1 |