What powers 
keio.ac.jp?
Last seen Sep 2026 · 303 technologies across 51 categories
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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
- Aug 2026 llms.txt removed
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| keio university japan | #1 | 2,000 |
| keio university | #1 | 2,000 |
| keio | #1 | 2,000 |
| keio japan | #2 | 1,100 |
| fukuzawa | #3 | 280 |
| fukuzawa | #3 | 280 |
| professor xavier | #60 | 160 |
| japanese banknotes | #6 | 110 |
| fukuzawa yukichi | #3 | 97 |
| fukuzawa yukichi | #3 | 97 |
| yukichi fukuzawa | #3 | 86 |
| japanese notes | #7 | 85 |
| keio challenger | #4 | 44 |
| president in 2004 | #83 | 35 |
| japan banknotes | #9 | 33 |
| apac region | #90 | 31 |
| keio japan | #16 | 28 |
| keio university hiyoshi | #1 | 27 |
| japanese yen notes | #13 | 26 |
| japanese dollar bill | #12 | 25 |
| dormitories in japan | #3 | 25 |
| who is on the 10000 yen bill | #1 | 21 |
| the university of tokyo japan | #45 | 21 |
| 2004 president | #72 | 21 |
| keio university ranking japan | #4 | 17 |
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
- 52% phone
- 47% desktop
- 1% tablet
Japan
United States
India
Vietnam
Pakistan
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
8.52 / 10 · ranked #2,313 of all domains
5,352 referring domains · OpenPageRank
Search traffic
9,400 est. monthly organic visits (US)
1,068 keywords in Google's top 30
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 13.3 MB · 56 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Similar sites
u-tokyo.ac.jp 46 shared
- boy.jp 18 shared
tsukuba.ac.jp 31 shared
nihon-u.ac.jp 22 shared
hokudai.ac.jp 24 shared
nagasaki-u.ac.jp 18 shared- ciao.jp 27 shared
- roukyou.gr.jp 11 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- 慶應義塾大学理工学部化学科 (Keio University on Wikidata)
- Founded: 1858
- Country: Japan
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- DNS: Akamai Edge DNS
- Email: keio.ac.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 4,462, 1,358 hosts
- Verified with: DocuSign
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.phot.elec.keio.ac.jp | 34 |
| space-law.keio.ac.jp | 30 |
| www.kpa.sdm.keio.ac.jp | 29 |
| cclab.sfc.keio.ac.jp | 28 |
| arabic.sfc.keio.ac.jp | 27 |
| www.elec.keio.ac.jp | 27 |
| tanabata.sfc.keio.ac.jp | 25 |
| chordate.bpni.bio.keio.ac.jp | 24 |
| ciona.bpni.bio.keio.ac.jp | 24 |
| kddip.med.keio.ac.jp | 23 |
| kemco.keio.ac.jp | 23 |
| www.arai.mech.keio.ac.jp | 23 |
| www.jn.sfc.keio.ac.jp | 23 |
| yil.st.keio.ac.jp | 23 |
| aic.keio.ac.jp | 22 |
| cancergenomics.med.keio.ac.jp | 22 |
| fj.ics.keio.ac.jp | 22 |
| giga.sfc.keio.ac.jp | 22 |
| ipe.hc.keio.ac.jp | 22 |
| kikin.keio.ac.jp | 22 |
| www.dosokai.st.keio.ac.jp | 22 |
| inami-lab.ipe.hc.keio.ac.jp | 21 |
| www.kf.keio.ac.jp | 21 |
| www.namerikawa.sd.keio.ac.jp | 21 |
Full technology history →
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Recent changes
- dropped BugSnag Aug 2026
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