What powers marriotts.herts.sch.uk?
Last seen Oct 2026 · 16 technologies across 8 categories
Analytics
CDN
JavaScript libraries
Miscellaneous
Programming languages
Security
Web servers
Webmail
AI Crawlers
Blocks 5 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Bytespider Blocked
- GPTBot Blocked
Search and AI assistants
- Amazonbot Blocked
- OAI-SearchBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 28 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
5 of 33 AI crawlers blocked
Audience
- 83% phone
- 17% desktop
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.77 / 10 · ranked #4,518,152 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 1.8 MB · 54 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Marriotts School
- Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Amazon Web Services (52.30.70.39)
- DNS: ifl.net
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,218,810, 2 hosts
- Verified with: Apple Business, Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| marriotts.herts.sch.uk | 16 |
| www.marriotts.herts.sch.uk | 16 |