What powers isutrecht.nl?
Last seen Aug 2026 · 16 technologies across 9 categories
Analytics
Facebook Pixel
since May 2024
Google Analytics
since Jan 2019
Font scripts
Font Awesome
since Aug 2022
Google Font API
since Jun 2023
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Popper
since Aug 2022
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Feb 2021
UI frameworks
Bootstrap
since Feb 2021
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
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
- 61% phone
- 39% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.33 / 10 · ranked #1,094,578 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch
- Weight: 0.8 MB · 41 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on INFOSUPPORT4 (185.101.41.31)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 6,747,827, 2 hosts
- Verified with: Adobe, Apple Business, GlobalSign, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.isutrecht.nl | 11 |
| www.vacancies.isutrecht.nl | 9 |
Full technology history →
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Recent changes
- dropped core-js Mar 2026