What powers holt.is?
Last seen Jun 2026 · 19 technologies across 14 categories
Advertising
Microsoft Advertising
since Dec 2024
Analytics
Contentsquare
since May 2026
CDN
Cloudflare
since Sep 2021
Amazon SES
since Aug 2022
MailChimp
since Dec 2023
JavaScript libraries
Slick
since Feb 2019
Live chat
WhatsApp Business Chat
since May 2026
Maps
Google Maps
since Feb 2019
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Aug 2022
Security
HSTS
since Nov 2023
Tag managers
Google Tag Manager
since Sep 2021
Web servers
Nginx
since Mar 2023
Webmail
Microsoft 365
since Aug 2022
Widgets
Spotify Widgets
since Mar 2023
Audience
- 55% desktop
- 45% phone
Iceland
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.38 / 10 · ranked #2,725,914 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 12.0 MB · 50 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.holt.is | 15 |
| holt.is | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Contentsquare May 2026
- detected WhatsApp Business Chat May 2026