What powers 
nikkeihr.co.jp?
Last seen Sep 2026 · 35 technologies across 22 categories
Advertising
Analytics
Authentication
CDN
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript Libraries
Load balancers
Marketing automation
Miscellaneous
Operating systems
PaaS
Programming languages
RUM
Security
Segmentation
Tag managers
Web frameworks
Web servers
Webmail
Widgets
AI Crawlers
Blocks 22 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- AI2Bot Blocked
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- img2dataset Blocked
- meta-externalagent Blocked
- SBIntuitionsBot Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- DuckAssistBot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
- meta-externalfetcher Blocked
The other 11 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
- Sep 2026 google-extended added to robots.txt
- Sep 2026 webzio-extended added to robots.txt
- Sep 2026 meta-externalagent added to robots.txt
- Sep 2026 perplexitybot added to robots.txt
- Sep 2026 sbintuitionsbot added to robots.txt
- Sep 2026 meta-externalfetcher added to robots.txt
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
22 of 33 AI crawlers blocked
Audience
- 56% phone
- 44% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.32 / 10 · ranked #190,282 of all domains
133 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 1.6 MB · 166 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Nikkei Human Resources
- Founded: 1979
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on CENTURYLINK-LEGACY-SAVVIS (203.82.140.223)
- DNS: d-53.info
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: GlobalSign, RSA 2048, wildcard, expires Apr 2027
- Common Crawl link graph: rank 1,146,784, 14 hosts
- Verified with: Amazon SES, Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| nm-kaigyo.nikkeihr.co.jp | 17 |
| nmproc.nikkeihr.co.jp | 17 |
| career-edu.nikkeihr.co.jp | 16 |
| dic.nikkeihr.co.jp | 16 |
| medical-career.nikkeihr.co.jp | 15 |
| career-tasu.nikkeihr.co.jp | 13 |
| nma.nikkeihr.co.jp | 13 |
| www.nikkeihr.co.jp | 10 |
| workjapan.nikkeihr.co.jp | 7 |
| labo.nikkeihr.co.jp | 6 |
| tech.nikkeihr.co.jp | 6 |