What powers 
johas.go.jp?
Last seen Aug 2026 · 118 technologies across 40 categories
Advertising
Affiliate programs
Analytics
Authentication
Caching
CDN
CMS
Cookie compliance
Databases
Editors
Font scripts
Hosting
Hosting panels
JavaScript Frameworks
JavaScript graphics
JavaScript libraries
Load balancers
Maps
Marketing automation
Miscellaneous
Operating systems
PaaS
Page builders
Performance
Photo galleries
Programming languages
Retargeting
Rich text editors
Security
SEO
Tag managers
UI frameworks
Video players
Web Frameworks
Web server extensions
Web Servers
Webmail
Widgets
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. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
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
- 77% phone
- 20% desktop
- 3% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.76 / 10 · ranked #11,757 of all domains
1,246 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 5.7 MB · 134 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Similar sites
tokushima-u.ac.jp 10 shared
- juntendo.ac.jp 9 shared
oita-u.ac.jp 10 shared
nara-wu.ac.jp 8 sharedsaitama-u.ac.jp 9 shared
u-ryukyu.ac.jp 13 shared
jrc.or.jp 13 shared
qab.co.jp 4 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- Japan Organization of Occupational Health and Safety
- Founded: 2016
- Country: Japan
From Wikidata (CC0).
Infrastructure
- DNS: Akamai Edge DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 68,741, 185 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.kushirok.johas.go.jp | 25 |
| records.johas.go.jp | 23 |
| kumamotok.johas.go.jp | 22 |
| www.naganos.johas.go.jp | 22 |
| www.toyamah.johas.go.jp | 22 |
| kagoshimas.johas.go.jp | 21 |
| www.hyogos.johas.go.jp | 21 |
| naras.johas.go.jp | 19 |
| osakas.johas.go.jp | 18 |
| www.akitas.johas.go.jp | 18 |
| www.kumamotok.johas.go.jp | 18 |
| www.niigatas.johas.go.jp | 18 |
| cheminfo.johas.go.jp | 17 |
| ibarakis.johas.go.jp | 17 |
| wakayamas.johas.go.jp | 17 |
| www.aomoris.johas.go.jp | 17 |
| www.kyotos.johas.go.jp | 17 |
| www.kagawas.johas.go.jp | 16 |
| www.kansaih.johas.go.jp | 16 |
| www.tottoris.johas.go.jp | 16 |
| www.yamagatas.johas.go.jp | 16 |
| mn.naganos.johas.go.jp | 15 |
| nurse-yamaguchi.johas.go.jp | 15 |
| okayamas.johas.go.jp | 15 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Lodash Aug 2026
- detected Laravel Jul 2026
- dropped Themify Builder Jul 2026
- dropped scrollreveal Jun 2026
- detected Vimeo Jun 2026
- dropped Cart Functionality May 2026
- detected Smash Balloon Instagram Feed Apr 2026
- detected web-vitals Feb 2026