What powers designletters.eu?
Last seen May 2026 · 44 technologies across 17 categories
A/B Testing
Google Optimize
since Mar 2022
Advertising
Criteo
since Sep 2021
Microsoft Advertising
since Dec 2021
Affiliate programs
Analytics
CDN
Bunny
since Dec 2022
cdnjs
since Nov 2021
Cloudflare
since May 2021
Google Hosted Libraries
since Feb 2022
jsDelivr
since May 2021
Unpkg
since Dec 2022
Ecommerce
Cart Functionality
since Jul 2021
Shopify
since May 2021
Font scripts
Font Awesome
since Jul 2023
Form builders
Klaviyo Forms
since Apr 2025
JavaScript frameworks
Backbone.js
since Sep 2021
React
since Jul 2021
JavaScript libraries
Flickity
since Jul 2023
LazySizes
since Feb 2022
OWL Carousel
since Dec 2022
PhotoSwipe
since Sep 2022
Preact
since Nov 2021
Swiper
since Oct 2025
Underscore.js
since Sep 2021
Marketing automation
Klaviyo
since May 2021
Miscellaneous
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
Payment processors
American Express
since May 2021
Apple Pay
since Oct 2023
Google Pay
since Oct 2022
Mastercard
since Nov 2021
PayPal
since Nov 2021
Shop Pay
since Oct 2023
Visa
since May 2021
Performance
Priority Hints
since Feb 2023
Retargeting
Smarter Click
since Mar 2024
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since May 2021
Audience
- 58% phone
- 42% desktop
Italy
Belgium
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.75 / 10 · ranked #2,084,889 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Full technology history →
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