What powers 
tessenderlo.com?
Last seen Sep 2026 · 13 technologies across 11 categories
Advertising
CDN
CMS
Hosting
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Translation
Webmail
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 57% desktop
- 43% phone
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.61 / 10 · ranked #807,919 of all domains
60 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.1 MB · 52 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Tessenderlo Group
- Founded: 1892
- Sector: chemical industry
- Country: Belgium
From Wikidata (CC0).
Infrastructure
- Hosted on Combell (185.135.12.98)
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 2,734,108, 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
- dropped Apache HTTP Server Sep 2026
- detected Cloudflare Sep 2026
- detected Weglot Sep 2026
- detected Microsoft Advertising Jan 2026