What powers oka-pu.ac.jp?
Last seen Oct 2026 · 27 technologies across 17 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Security
SEO
Tag managers
UI frameworks
Web frameworks
Web server extensions
Web servers
WordPress plugins
AI Crawlers
Blocks 18 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
- PetalBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
- Claude-User Blocked
- meta-externalfetcher Blocked
The other 15 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Nov 2026 oai-searchbot added to robots.txt
- Nov 2026 perplexitybot added to robots.txt
- Nov 2026 petalbot added to robots.txt
- Nov 2026 youbot added to robots.txt
- Nov 2026 amazonbot added to robots.txt
- Nov 2026 applebot-extended added to robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| oka | #52 | 29 |
| prefectural | #55 | 16 |
| okayama prefecture | #40 | 2 |
| oka oka | #91 | 0 |
| o opu | #94 | 0 |
| okayama menu | #76 | 0 |
| g oka | #55 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
AI Crawlers
18 of 33 AI crawlers blocked
Audience
- 54% desktop
- 46% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.62 / 10 · ranked #144,905 of all domains
152 referring domains · OpenPageRank
Search traffic
47 est. monthly organic visits (US)
7 keywords in Google's top 30
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 8.1 MB · 121 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 岡山県立大学附属図書館 (Okayama Prefectural University on Wikidata)
- Founded: 1993
- Country: Japan
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on SINET-AS - Research Organization of Information and Systems, National Institute of Informatics (163.225.10.2)
- DNS: sinet.ad.jp
- Email: oka-pu.ac.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: SECOM Trust Systems, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 85,053, 70 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| volunteer.oka-pu.ac.jp | 14 |
| www.c.oka-pu.ac.jp | 14 |
| www.dgn.oka-pu.ac.jp | 14 |
| www.fhw.oka-pu.ac.jp | 14 |
| www.lib.oka-pu.ac.jp | 14 |
| www.ss.oka-pu.ac.jp | 14 |
| www.oka-pu.ac.jp | 13 |
| www.csse.oka-pu.ac.jp | 12 |
| opac.lib.oka-pu.ac.jp | 7 |
| commu.oka-pu.ac.jp | 6 |
| kibinomori.oka-pu.ac.jp | 3 |
| www-mcs.c.oka-pu.ac.jp | 3 |
| www-mwl.c.oka-pu.ac.jp | 3 |
| www.cse.oka-pu.ac.jp | 3 |
| www.sa.oka-pu.ac.jp | 3 |
Full technology history →
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Recent changes
- dropped WP-PageNavi Oct 2026
- detected Twitter Emoji (Twemoji) Mar 2026