What powers a4.is?
Last seen Jun 2026 · 22 technologies across 17 categories
Advertising
Microsoft Advertising
since Oct 2024
Analytics
CMS
DatoCMS
since Oct 2023
Cookie compliance
Ecommerce
Cart Functionality
since Oct 2023
MailChimp
since Aug 2022
Font scripts
Google Font API
since Apr 2020
JavaScript frameworks
JavaScript libraries
Marketing automation
Klaviyo
since Jul 2024
Miscellaneous
Open Graph
since Oct 2023
Webpack
since Oct 2023
Operating systems
Ubuntu
since Jan 2019
PaaS
Amazon Web Services
since Jun 2026
Programming languages
Node.js
since Oct 2023
Tag managers
Google Tag Manager
since Apr 2020
Web servers
Webmail
Microsoft 365
since Aug 2022
Audience
- 66% phone
- 32% desktop
- 2% tablet
Iceland
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.16 / 10 · ranked #1,325,503 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Icelandic
- Weight: 6.2 MB · 137 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Amazon Web Services Jun 2026