What powers companieshouse.gov.uk?
Last seen Jun 2026 · 50 technologies across 22 categories
Analytics
Google Analytics
since Jun 2018
Matomo Analytics
since Aug 2020
Cache Tools
Varnish
since Jun 2018
CDN
Amazon CloudFront
since Jan 2022
Amazon S3
since Jan 2022
Digital asset management
Frontify
since Feb 2024
Editors
Amazon SES
since Oct 2025
Mailjet
since Jul 2024
Font scripts
Font Awesome
since Aug 2018
Issue trackers
Sentry
since Feb 2024
JavaScript Frameworks
JavaScript libraries
Load balancers
Amazon ALB
since Feb 2024
Amazon ELB
since Feb 2024
Message boards
Miscellaneous
DocuSign
since Feb 2023
Highlight.js
since Aug 2018
Open Graph
since Sep 2022
Prism
since Feb 2024
PWA
since Apr 2025
RSS
since Dec 2022
Operating systems
Red Hat
since Aug 2022
PaaS
Amazon Web Services
since Jan 2022
Programming languages
Rich text editors
Quill
since May 2024
Security
HSTS
since Feb 2024
UI frameworks
Bootstrap
since Aug 2018
GOV.UK Frontend
since Jan 2022
GOV.UK Template
since Jan 2022
GOV.UK Toolkit
since Jan 2022
Web frameworks
Ruby on Rails
since Jun 2018
Web servers
Apache HTTP Server
since Aug 2018
Nginx
since Apr 2018
Webmail
Apple iCloud Mail
since Jan 2023
Audience
- 91% desktop
- 9% phone
United Kingdom
Pakistan
Ireland
India
Germany
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.81 / 10 · ranked #10,558 of all domains
2,064 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 1.2 MB · 85 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| mediaroom.companieshouse.gov.uk | 22 |
| brand.companieshouse.gov.uk | 15 |
| forum.companieshouse.gov.uk | 15 |
| xmlforum.companieshouse.gov.uk | 15 |
| ewf.companieshouse.gov.uk | 11 |
| ewf-legacy.companieshouse.gov.uk | 10 |
| direct.companieshouse.gov.uk | 8 |
| ebilling.companieshouse.gov.uk | 8 |
| resources.companieshouse.gov.uk | 8 |
| www.companieshouse.gov.uk | 8 |
| beta.companieshouse.gov.uk | 7 |
| download.companieshouse.gov.uk | 7 |
| follow.companieshouse.gov.uk | 7 |
| xmlgw.companieshouse.gov.uk | 7 |
| wck2.companieshouse.gov.uk | 6 |
| developer.companieshouse.gov.uk | 2 |
| chd3.companieshouse.gov.uk | 1 |
Full technology history →
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Recent changes
- dropped Next.js Nov 2025
- dropped Node.js Nov 2025
- dropped Webpack Nov 2025
- detected Amazon SES Oct 2025