What powers sem-johnsen.no?
Last seen Oct 2026 · 29 technologies across 22 categories
Analytics
CDN
CMS
Cookie compliance
Font scripts
IaaS
Issue trackers
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
Web frameworks
Web servers
Webmail
Widgets
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 found
- ai.txt not found
Content Signals:
search=yes ai-train=no ai-input=yes declared in robots.txt
- Sep 2026 llms.txt appeared
- Sep 2026 Content Signals changed
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, Content Signals
Audience
- 51% desktop
- 46% phone
- 4% tablet
Norway
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.44 / 10 · ranked #2,602,877 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 125 ms |
| CLS | 0.1 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Norwegian
- CDN: Vercel
- Weight: 11.3 MB · 82 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Sem & Johnsen
- Founded: 2012
- Industry: Real estate (declares
RealEstateAgent) - Sector: real estate brokerage
- Country: Norway
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: hyp.net
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 3,358,007, 2 hosts
- Verified with: Amazon SES, Apple Business, Have I Been Pwned, Meta Business, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sem-johnsen.no | 21 |
| skjema.sem-johnsen.no | 11 |
| sem-johnsen.no | 10 |
| oppgjor.sem-johnsen.no | 6 |
Full technology history →
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Recent changes
- dropped Keen-Slider Mar 2026
- dropped Mapbox GL JS Mar 2026