What powers greynir.is?
Last seen Sep 2026 · 10 technologies across 6 categories
Analytics
Cloudflare Browser Insights
since Mar 2026
CDN
cdnjs
since Dec 2022
Cloudflare
since Dec 2022
JavaScript libraries
Miscellaneous
Security
HSTS
since Dec 2022
UI frameworks
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Iceland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.88 / 10 · ranked #3,920,120 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.21.85, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC reject
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 16,080,477
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Nginx Sep 2026