What powers 
sankeibldg.co.jp?
Last seen Sep 2026 · 16 technologies across 11 categories
Advertising
Analytics
CDN
JavaScript libraries
Miscellaneous
Operating systems
Security
Tag managers
Web server extensions
Web servers
Webmail
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
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| sankei | #90 | 1 |
| blisstia hakone sengokuhara | #57 | 0 |
| closer co ltd japan | #25 | 0 |
| tokyo rent office | #99 | 0 |
| tokyo offices for rent | #73 | 0 |
| tokyo office rent | #93 | 0 |
| tokyo office for rent | #67 | 0 |
| tokyo office buildings | #14 | 0 |
| neon japan | #40 | 0 |
| japanese office building | #17 | 0 |
| japan office space | #20 | 0 |
| granvista hotels | #55 | 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 robots.txt, all AI crawlers allowed
Audience
- 54% phone
- 46% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.11 / 10 · ranked #236,920 of all domains
97 referring domains · OpenPageRank
Search traffic
1 est. monthly organic visits (US)
12 keywords in Google's top 30
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 20.0 MB · 160 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Sankei Building
- Founded: 1951
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Sakura Internet (133.125.76.52)
- DNS: d-53.info
- Email: Broadcom MessageLabs
- Email security: SPF, DMARC reject, DNSSEC signed
- SSL: DigiCert, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 9,709,224, 2 hosts
- Verified with: Adobe, OpenAI
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
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Recent changes
- dropped Facebook Pixel Feb 2026
- dropped Tapad Feb 2026
- detected Tapad Nov 2025