What powers viewportsizes.com?
Last seen Dec 2025 · 9 technologies across 6 categories
Analytics
Google Analytics
since Jun 2018
CDN
Google Hosted Libraries
since Jul 2022
Font scripts
Google Font API
since Jan 2016
JavaScript libraries
Security
HSTS
since Aug 2023
Web servers
Nginx
since Aug 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
3.84 / 10 · ranked #694,834 of all domains
47 referring domains · OpenPageRank
Infrastructure
- Hosted on INTERNETBOLAGET (192.36.136.198)
- DNS: domainers.de
- Email: viewportsizes.com
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 456,418
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| viewportsizes.com | 7 |
| www.viewportsizes.com | 5 |