What powers johner.se?
Last seen Aug 2026 · 25 technologies across 14 categories
Analytics
CDN
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Performance
Programming languages
Security
Tag managers
UI frameworks
Web servers
Webmail
AI Crawlers
Blocks 2 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- ClaudeBot Blocked
- GPTBot Blocked
The other 31 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
2 of 33 AI crawlers blocked
Audience
- 100% desktop
Sweden
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.02 / 10 · ranked #1,556,332 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 175 ms |
| CLS | 0.25 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on BAHNHOF (158.174.189.93)
- DNS: bahnhof.net
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (soft fail)
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 3,200,887, 3 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.johner.se | 25 |
| johner.se | 22 |