What powers 
do-johodai.ac.jp?
Last seen Sep 2026 · 63 technologies across 31 categories
Advertising
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IaaS
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LMS
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Miscellaneous
Operating systems
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Performance
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Web servers
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WordPress plugins
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 Oct 2026.
- 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 search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| hokkaido university | #71 | 8 |
| university of hokkaido japan | #71 | 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
- 67% desktop
- 33% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.48 / 10 · ranked #161,929 of all domains
139 referring domains · OpenPageRank
Search traffic
8 est. monthly organic visits (US)
2 keywords in Google's top 30
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 19.9 MB · 184 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- J Scope | 情報と研究の先端をゆく | 北海道情報大学 (Hokkaido Information University on Wikidata)
- Founded: 1989
- Country: Japan
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Google Cloud (34.146.73.171)
- DNS: sinet.ad.jp
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC quarantine
- SSL: DigiCert, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 70,120, 53 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.do-johodai.ac.jp | 21 |
| itc.do-johodai.ac.jp | 15 |
| polite.mugendai.do-johodai.ac.jp | 15 |
| www01.do-johodai.ac.jp | 15 |
| z1.mugendai.do-johodai.ac.jp | 15 |
| polite.do-johodai.ac.jp | 14 |
| portal.mugendai.do-johodai.ac.jp | 14 |
| wine.do-johodai.ac.jp | 14 |
| b5.mugendai.do-johodai.ac.jp | 13 |
| j-scope.do-johodai.ac.jp | 13 |
| portal2.mugendai.do-johodai.ac.jp | 13 |
| tsushin.do-johodai.ac.jp | 12 |
| z3.mugendai.do-johodai.ac.jp | 11 |
| hiulibrary.do-johodai.ac.jp | 10 |
| syllabus-tsushin.do-johodai.ac.jp | 9 |
| syllabus.do-johodai.ac.jp | 9 |
| library.do-johodai.ac.jp | 8 |
| eduweb.do-johodai.ac.jp | 5 |
| portal.do-johodai.ac.jp | 5 |
| sp.do-johodai.ac.jp | 5 |
| polite3.do-johodai.ac.jp | 4 |
| id.do-johodai.ac.jp | 3 |
| idp.do-johodai.ac.jp | 3 |
| kc.do-johodai.ac.jp | 3 |
Full technology history →
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Recent changes
- detected Cloudflare Bot Management May 2026
- detected Yahoo Advertising Apr 2026
- dropped Cloudflare Bot Management Nov 2025
- dropped Twitter Nov 2025