What powers heavyunderground.se?
Last seen Oct 2026 · 9 technologies across 7 categories
Advertising
Google AdSense
since Dec 2022
Blogs
Blogger
since Dec 2022
JavaScript libraries
Clipboard.js
since Dec 2022
Miscellaneous
Open Graph
since Dec 2022
RSS
since Dec 2022
Programming languages
Web servers
OpenGSE
since Dec 2022
Widgets
Patreon
since Apr 2024
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Sweden
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.28 / 10 · ranked #8,968,749 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Swedish
- CDN: Google
- Weight: 3.7 MB · 52 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Industry: Blogs and publishing (declares
BlogPosting)
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on LOOPIA (194.9.94.85)
- DNS: Loopia
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Google Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 4,719,356, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted