What powers jclassic.jp?
Last seen Oct 2026 · 25 technologies across 18 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
PaaS
Page builders
Performance
Programming languages
Security
Tag managers
UI frameworks
Web servers
Webmail
WordPress plugins
WordPress themes
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 81% phone
- 19% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.07 / 10 · ranked #1,476,942 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- Weight: 2.4 MB · 88 requests
- WordPress theme: j-classic · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on KIR KAGOYA JAPAN Inc. (133.18.134.207)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 3,845,946
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Cloudflare Turnstile Oct 2026
- detected Twitter Emoji (Twemoji) Aug 2026
- detected Amazon Web Services Jul 2026
- detected Bootstrap Jul 2026
- detected Clipboard.js Jul 2026
- detected EWWW Image Optimizer Jul 2026
- detected Google Analytics Jul 2026
- detected Google Font API Jul 2026
- detected Google Tag Manager Jul 2026
- detected jQuery Jul 2026
- detected jQuery Migrate Jul 2026
- detected jsDelivr Jul 2026
- detected LazySizes Jul 2026
- detected Lightning Jul 2026
- detected Microsoft 365 Jul 2026
- detected MySQL Jul 2026
- detected Nginx Jul 2026
- detected Open Graph Jul 2026
- detected PHP Jul 2026
- detected Priority Hints Jul 2026
- detected RSS Jul 2026
- detected Slick Jul 2026
- detected Swiper Jul 2026
- detected WordPress Jul 2026
- detected WordPress Block Editor Jul 2026