What powers 
jps.or.jp?
Last seen Aug 2026 · 34 technologies across 23 categories
Affiliate programs
Analytics
Authentication
CDN
CMS
Databases
Editors
Font scripts
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
SEO
Tag managers
Translation
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| jps | #36 | 43 |
| aapps | #8 | 3 |
| physics of plasmas journal | #82 | 2 |
| physics in japan | #11 | 2 |
| jp j | #36 | 2 |
| centrosymmetric | #91 | 1 |
| cobalt crystals | #97 | 1 |
| tomoya mizuno | #61 | 1 |
| astro h | #40 | 1 |
| shhei nomura | #82 | 1 |
| physical review c | #47 | 1 |
| precisionx | #80 | 1 |
| ptep | #63 | 1 |
| iron model atom | #97 | 1 |
| ishikawa rika | #90 | 1 |
| kikuchi shunsuke | #96 | 1 |
| magneto optical trap | #80 | 1 |
| masayuki doi | #74 | 1 |
| meeting in japanese | #87 | 1 |
| model of iron atom | #81 | 1 |
| 76 79 | #64 | 1 |
| aapps | #16 | 1 |
| accel atoms | #74 | 1 |
| zero phonon line | #36 | 0 |
| cobalt crystal structure | #50 | 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.
AI Crawlers
No AI crawlers blocked
Audience
- 80% desktop
- 20% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.72 / 10 · ranked #61,438 of all domains
291 referring domains · OpenPageRank
Search traffic
70 est. monthly organic visits (US)
60 keywords in Google's top 30
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 2.3 MB · 39 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Similar sites
- her.jp 3 shared
fukuoka-u.ac.jp 3 shared
plathome.co.jp 3 shared- oops.jp 4 shared
- uh-oh.jp 3 shared
- wakasa.jp 3 shared
- under.jp 4 shared
- itigo.jp 3 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- 日本物理学会 150th (Physical Society of Japan on Wikidata)
- Founded: 1877
- Country: Japan
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on GMOCL GMO GlobalSign Holdings K.K. (153.122.205.43)
- DNS: d-53.info
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 60,365, 58 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| 150th.jps.or.jp | 18 |
| www.hokkaido.jps.or.jp | 15 |
| www.r5.div.jps.or.jp | 13 |
| jps.or.jp | 8 |
| www.jps.or.jp | 8 |
| member.jps.or.jp | 6 |
| sso.jps.or.jp | 5 |
| www.hokuriku.jps.or.jp | 3 |
| www.kyusyu.jps.or.jp | 2 |
| www.osaka.jps.or.jp | 2 |
| www.r12.div.jps.or.jp | 2 |
| div.jps.or.jp | 1 |
| www.div.jps.or.jp | 1 |
| www.r1.div.jps.or.jp | 1 |
| www.r11.div.jps.or.jp | 1 |
| www.r4.div.jps.or.jp | 1 |
| www.r8.div.jps.or.jp | 1 |
| www.r9.div.jps.or.jp | 1 |
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025