What powers 
yahoo.jp?
Last seen May 2021 · 7 technologies across 6 categories
Advertising
AppNexus
since Nov 2019
JavaScript frameworks
React
since Aug 2018
Miscellaneous
Programming languages
Node.js
since Sep 2020
Web frameworks
Next.js
since Sep 2020
Web servers
Apache Traffic Server
since Aug 2018
AI Crawlers
Blocks 2 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Google-Extended Blocked
- GPTBot Blocked
The other 31 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
- Sep 2026 google-extended added to robots.txt
- Sep 2026 gptbot added to robots.txt
- Sep 2026 gptbot removed from robots.txt
- Sep 2026 * removed from robots.txt
AI Crawlers
2 of 33 AI crawlers blocked
Open Page Rank
7.82 / 10 · ranked #10,440 of all domains
1,046 referring domains · OpenPageRank
Infrastructure
- Hosted on YAHOO LY Corporation (118.151.252.124)
- DNS: yahoo.co.jp
- Email: no MX record returned
- Email security: SPF (soft fail)
- SSL: Cybertrust Japan, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 15,809, 23 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| srd.yahoo.jp | 6 |
| www.yahoo.jp | 3 |