What powers nag.co.uk?
Last seen Aug 2020 · 12 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
CMS
Font scripts
Google Font API
since Apr 2020
Issue trackers
Sentry
since Aug 2020
JavaScript frameworks
GSAP
since Apr 2020
JavaScript libraries
Operating systems
Debian
since May 2019
Programming languages
PHP
since Jan 2019
Tag managers
Google Tag Manager
since Apr 2020
UI frameworks
Web servers
AI Crawlers
Blocks 11 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Blocked
- ClaudeBot Blocked
- Diffbot Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- Applebot Blocked
- PerplexityBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 22 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
11 of 33 AI crawlers blocked
Open Page Rank
5.52 / 10 · ranked #156,072 of all domains
183 referring domains · OpenPageRank
Organisation
- Numerical Algorithms Group
- Founded: 1970
- Country: United Kingdom
From Wikidata (CC0).
Infrastructure
- Registered Sep 1995 (31 years) via Nuco Technologies Ltd t/a Host-IT, renews Sep 2027
- Hosted on HOSTIT-MK-AS Milton Keynes Facility (159.253.56.217, IPv6)
- DNS: host-it.co.uk
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC reject
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 25,567, 6 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted