What powers 
bunken.co.jp?
Last seen Aug 2026 · 17 technologies across 11 categories
Analytics
CMS
WordPress
since Dec 2020
Databases
MySQL
since Dec 2020
Sendgrid
since Nov 2024
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Dec 2020
Security
reCAPTCHA
since Dec 2020
Tag managers
Google Tag Manager
since Dec 2020
Web servers
Nginx
since Dec 2020
WordPress plugins
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 54% phone
- 46% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.47 / 10 · ranked #923,777 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 1.5 MB · 53 requests
- WordPress theme: nextage_tcd021 · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (182.48.49.230)
- DNS: Onamae.com
- Email: bunken.co.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 271,384, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted