What powers hiro.school?
Last seen Oct 2026 · 41 technologies across 18 categories
Analytics
CDN
Cookie compliance
Databases
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
Tag managers
Web frameworks
Web servers
Webmail
AI Crawlers
Restricts 13 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- Google-Extended Restricted
- GPTBot Restricted
- meta-externalagent Restricted
Search and AI assistants
- Amazonbot Restricted
- DuckAssistBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Perplexity-User Restricted
The other 20 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 bytespider added to robots.txt
- Sep 2026 ccbot added to robots.txt
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 applebot-extended added to robots.txt
- Sep 2026 llms.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
13 of 33 AI crawlers restricted
Standards: llms.txt
Audience
- 69% desktop
- 31% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.15 / 10 · ranked #3,211,345 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch
- CDN: Fastly
- Weight: 2.6 MB · 131 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Fastly (199.36.158.100)
- DNS: TransIP
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Google Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 15,519,588, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.hiro.school | 33 |
| mijn.hiro.school | 15 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Firebase Oct 2026
- detected Next.js Oct 2026
- detected Next.js App Router Oct 2026
- detected Node.js Oct 2026
- detected Priority Hints Oct 2026
- detected PWA Oct 2026
- detected React Oct 2026
- detected RSS Oct 2026
- detected Shopify Oct 2026