What powers e-tsukuba.jp?
Last seen Sep 2026 · 16 technologies across 11 categories
Analytics
Google Analytics
since May 2019
Snowplow Analytics
since Jan 2022
CDN
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Jul 2025
Ecommerce
Cart Functionality
since Jan 2022
JavaScript Libraries
Miscellaneous
Mobile frameworks
Operating systems
CentOS
since Jan 2019
Programming languages
Web server extensions
Web servers
Widgets
FlexSlider
since Jan 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.92 / 10 · ranked #636,897 of all domains
47 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.6 MB · 19 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on IDCF IDC Frontier Inc. (210.140.108.101)
- DNS: tsukuba.ad.jp
- Email: e-tsukuba.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: JPRS, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 10,009,496, 102 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| la-r.e-tsukuba.jp | 10 |
| miyoshi.e-tsukuba.jp | 10 |
| seikotsuin.e-tsukuba.jp | 10 |
| tsubasa.e-tsukuba.jp | 10 |
| unagiya.e-tsukuba.jp | 10 |
| miyamoto.e-tsukuba.jp | 9 |
| san-kyu.e-tsukuba.jp | 8 |
| www.e-tsukuba.jp | 8 |
| zizake.e-tsukuba.jp | 8 |
| climbing.e-tsukuba.jp | 7 |
| spolebowl.e-tsukuba.jp | 7 |
| you-world.e-tsukuba.jp | 7 |