What powers 
newcastlecastle.co.uk?
Last seen Oct 2026 · 28 technologies across 17 categories
Analytics
CDN
CMS
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Marketing automation
Miscellaneous
Operating systems
Performance
Programming languages
Security
Web servers
Webmail
Widgets
AI Crawlers
Restricts 16 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- AI2Bot Restricted
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- FacebookBot Restricted
- Google-Extended Restricted
- GoogleOther Restricted
- GPTBot Restricted
- img2dataset Restricted
- meta-externalagent Restricted
- Webzio-Extended Restricted
Search and AI assistants
- Amazonbot Restricted
- DuckAssistBot Restricted
- YouBot Restricted
The other 17 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
16 of 33 AI crawlers restricted
Audience
- 71% phone
- 29% desktop
United Kingdom
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.00 / 10 · ranked #568,867 of all domains
111 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United Kingdom)
- Weight: 6.8 MB · 124 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Newcastle Castle (Newcastle upon Tyne Castle on Wikidata)
- Founded: 1080
- Country: United Kingdom
- Profiles: Facebook, Instagram, LinkedIn, YouTube
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Squarespace (198.49.23.144)
- DNS: heartinternet.co.uk
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 2,065,516, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.newcastlecastle.co.uk | 18 |
| newcastlecastle.co.uk | 12 |
Full technology history →
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Recent changes
- dropped Angular Sep 2026
- dropped TypeScript Sep 2026
- dropped Zone.js Sep 2026
- dropped Google Font API Aug 2026
- detected Angular Apr 2026
- detected TypeScript Apr 2026
- detected Zone.js Apr 2026