What powers spsj.or.jp?
Last seen Jun 2026 · 11 technologies across 8 categories
Analytics
Google Analytics
since Jun 2018
CDN
Google Hosted Libraries
since Feb 2022
Font scripts
Google Font API
since Jun 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Jun 2018
Nginx
since Jun 2019
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| where is kobe japan | #81 | 1 |
| spsj | #5 | 1 |
| population of kobe | #42 | 1 |
| kobe japan population | #38 | 1 |
| busiest port in japan | #15 | 0 |
| tga-dta | #33 | 0 |
| where is kobe located | #47 | 0 |
| science japan | #77 | 0 |
| spsj | #89 | 0 |
| spsj | #79 | 0 |
| spsj | #75 | 0 |
| spsj | #39 | 0 |
| spsj | #25 | 0 |
| spsj | #9 | 0 |
| nano kenmotsu | #71 | 0 |
| polymer conferences | #76 | 0 |
| ppc polymer | #66 | 0 |
| is tecl4 polar | #46 | 0 |
| kabe japan | #72 | 0 |
| history of kobe | #23 | 0 |
| fab-ms | #76 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 86% desktop
- 14% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.64 / 10 · ranked #66,805 of all domains
277 referring domains · OpenPageRank
Search traffic
4 est. monthly organic visits (US)
21 keywords in Google's top 30
Core Web Vitals
| LCP | 1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.4 MB · 72 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| main.spsj.or.jp | 9 |
| www.spsj.or.jp | 9 |
| member.spsj.or.jp | 2 |
| spsj.or.jp | 1 |