What powers netlab.jp?
Last seen Aug 2026 · 20 technologies across 12 categories
Advertising
Twitter Ads
since Feb 2025
Caching
Varnish
since Dec 2023
CDN
Font scripts
Font Awesome
since Dec 2023
Google Font API
since Dec 2023
JavaScript libraries
Miscellaneous
Open Graph
since Apr 2024
RSS
since Dec 2023
PaaS
Amazon Web Services
since Jul 2026
GitHub Pages
since Dec 2023
Security
Cloudflare Bot Management
since Jul 2026
UI frameworks
Video players
YouTube
since Feb 2025
Webmail
Google Workspace
since Sep 2022
Widgets
Twitter
since Feb 2025
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.82 / 10 · ranked #264,789 of all domains
82 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Organisation
- Network Applied Communication Laboratory
- Founded: 2001
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Fastly (185.199.108.153, IPv6)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 2,078,078, 11 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| smalruby-koshien.netlab.jp | 14 |
| www.netlab.jp | 12 |
| blog.netlab.jp | 11 |