What powers 
pen-online.com?
Last seen Oct 2026 · 33 technologies across 20 categories
Advertising
Analytics
CDN
CMS
Databases
Ecommerce
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Personalisation
Programming languages
Security
Segmentation
SEO
Tag managers
Web frameworks
Web servers
Webmail
Widgets
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 57% desktop
- 43% phone
France
United States
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.55 / 10 · ranked #394,200 of all domains
170 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 5.0 MB · 86 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Aug 2016 (10 years) via GMO Internet Group, Inc. d/b/a Onamae.com, renews Aug 2027
- Hosted on Amazon Web Services (3.171.171.11)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Amazon Trust Services, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 521,651, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| pen-online.com | 25 |
| static.pen-online.com | 13 |
Full technology history →
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