What powers espa.or.jp?
Last seen Aug 2026 · 9 technologies across 6 categories
CDN
JavaScript libraries
Programming languages
Tag managers
Google Tag Manager
since Feb 2019
Web servers
Apache HTTP Server
since Feb 2019
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 54% desktop
- 46% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.74 / 10 · ranked #286,035 of all domains
77 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.5 MB · 45 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on AICS Otsuka Corp. (157.205.145.40)
- DNS: otsuka-office365.jp
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: JPRS, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 9,430,414
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Analytics May 2026
- detected cdnjs Apr 2026
- detected Cloudflare Apr 2026
- detected Google Tag Manager Apr 2026
- detected jsDelivr Apr 2026
- detected PHP Apr 2026
- detected Swiper Apr 2026