What powers spira.or.jp?
Last seen Jun 2026 · 13 technologies across 10 categories
Analytics
Authentication
Facebook Login
since Jul 2021
CMS
WordPress
since Jun 2020
Databases
MySQL
since Jun 2020
JavaScript libraries
Maps
Google Maps
since Jun 2020
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jun 2020
Web servers
Apache HTTP Server
since Jun 2020
WordPress plugins
Audience
- 79% desktop
- 21% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.60 / 10 · ranked #816,345 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 1.9 MB · 82 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Google Font API Dec 2025