What powers redletterdays.co.uk?
Last seen Jun 2026 · 77 technologies across 33 categories
Advertising
Microsoft Advertising
since May 2021
Rakuten Advertising
since May 2025
Affiliate programs
Analytics
Adobe Analytics
since Nov 2018
Google Analytics
since Jun 2018
Hotjar
since Jun 2018
Linkedin Insight Tag
since Oct 2021
PayPal Marketing Solutions
since May 2023
VWO
since Jun 2018
Caching
W3 Total Cache
since Aug 2022
CDN
CMS
Cookie compliance
OneTrust
since Oct 2021
Customer data platform
Adobe Experience Platform Identity Service
since Jul 2021
Databases
MySQL
since Jan 2019
Documentation
Zendesk
since May 2021
Ecommerce
Google Workspace
since Apr 2023
Font scripts
JavaScript frameworks
JavaScript libraries
Live Chat
Zendesk Chat
since Aug 2018
Load balancers
Azure Front Door
since Mar 2024
Marketing automation
MailChimp
since Aug 2022
Miscellaneous
LottieFiles
since Sep 2023
Open Graph
since Sep 2022
PWA
since Jun 2024
RSS
since Dec 2022
Webpack
since Jul 2019
Operating systems
Windows Server
since Jun 2018
PaaS
Azure
since Mar 2024
Payment processors
Performance
Priority Hints
since Feb 2023
Programming languages
Reverse proxies
Envoy
since Nov 2021
Security
Cloudflare Bot Management
since Nov 2021
HSTS
since Sep 2022
Imperva
since Dec 2020
Really Simple SSL & Security
since Apr 2024
reCAPTCHA
since Jul 2019
Tag managers
Adobe Experience Platform Launch
since Jul 2021
UI frameworks
Web frameworks
Microsoft ASP.NET
since Apr 2018
Web servers
Widgets
ShareThis
since Aug 2022
WordPress plugins
Smash Balloon Instagram Feed
since Aug 2022
WordPress themes
WP-Royal Ashe
since Aug 2022
Audience
- 80% phone
- 17% desktop
- 3% tablet
United Kingdom
Ireland
Nigeria
India
Spain
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.73 / 10 · ranked #292,556 of all domains
205 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Incapsula
- Weight: 12.0 MB · 153 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.redletterdays.co.uk | 29 |
| www2.redletterdays.co.uk | 25 |
| blog.redletterdays.co.uk | 23 |
| corporate.redletterdays.co.uk | 23 |
| redeem.redletterdays.co.uk | 20 |
| extension.redletterdays.co.uk | 14 |
| help.redletterdays.co.uk | 6 |
| hub.redletterdays.co.uk | 4 |
| x.e.redletterdays.co.uk | 3 |
Full technology history →
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Recent changes
- detected Angular Apr 2026
- detected TypeScript Apr 2026
- detected Zone.js Apr 2026
- detected Swiper Dec 2025
- detected Stripe Aug 2025