What powers fourthdoor.co.uk?
Last seen Nov 2023 · 11 technologies across 8 categories
CMS
Databases
MySQL
since Nov 2022
Font scripts
Google Font API
since Nov 2022
JavaScript graphics
Supersized
since Nov 2022
JavaScript libraries
jPlayer
since Nov 2022
prettyPhoto
since Nov 2022
Miscellaneous
RSS
since Mar 2023
Programming languages
PHP
since Nov 2022
Web servers
LiteSpeed
since Nov 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
Open Page Rank
2.87 / 10 · ranked #1,828,617 of all domains
27 referring domains · OpenPageRank
Infrastructure
- Hosted on KRYSTAL (185.194.90.18)
- DNS: krystal.uk
- Email: krystal.uk
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 1,932,926, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted