What powers contractorcalculator.co.uk?
Last seen Jun 2026 · 16 technologies across 12 categories
Advertising
Twitter Ads
since Nov 2023
Analytics
Google Analytics
since Jun 2018
CDN
Amazon S3
since Mar 2024
Cloudflare
since Mar 2025
Amazon SES
since Aug 2022
Font scripts
Google Font API
since Apr 2018
JavaScript libraries
Marketing automation
MailChimp
since Jan 2026
Miscellaneous
Open Graph
since Sep 2022
Popper
since Jul 2024
PaaS
Amazon Web Services
since Aug 2022
Security
Video players
YouTube
since Apr 2018
Widgets
Twitter
since Nov 2023
Audience
- 52% phone
- 48% desktop
United Kingdom
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.73 / 10 · ranked #291,011 of all domains
161 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 7.6 MB · 102 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected MailChimp Jan 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025