What powers 
ddo.jp?
Last seen Aug 2026 · 121 technologies across 35 categories
Advertising
Affiliate programs
Analytics
Authentication
Caching
CDN
CMS
Databases
Ecommerce
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Font scripts
Hosting Panels
JavaScript frameworks
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LMS
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Miscellaneous
Operating Systems
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Performance
Programming languages
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Security
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UI frameworks
Video players
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Web Servers
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WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
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
- 100% desktop
Japan
Indonesia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.50 / 10 · ranked #17,422 of all domains
1,092 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.2 MB · 11 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Similar sites
city.kyoto.jp 3 shared
gcmap.com 3 shared
blueweb.co.kr 3 shared
- dnews.co.kr 3 shared
- techno-press.org 3 shared
webclap.com 3 shared
- road.jp 3 shared
- aop.bg 3 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Infrastructure
- Hosted on Sakura Internet (153.120.6.153)
- DNS: ddo.jp
- Email: furu.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: SECOM Trust Systems, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 425,182, 1,188 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| takao-lucky.ddo.jp | 28 |
| milktea.ddo.jp | 22 |
| poginfo.ddo.jp | 18 |
| yamartwatch.ddo.jp | 18 |
| tksoft.ddo.jp | 16 |
| itamae-dining.ddo.jp | 15 |
| benry-lab.ddo.jp | 13 |
| pc-shop-quick.ddo.jp | 13 |
| sangatuusagi.ddo.jp | 13 |
| shoden.ddo.jp | 13 |
| hotmist.ddo.jp | 12 |
| kk-network.ddo.jp | 12 |
| tumugi-links.ddo.jp | 12 |
| higashitokyo.ddo.jp | 11 |
| ftvjapan.ddo.jp | 10 |
| pi-ta-pan.ddo.jp | 10 |
| ryugasaki1st.ddo.jp | 10 |
| s-sasaji.ddo.jp | 10 |
| y-naito.ddo.jp | 10 |
| droplet.ddo.jp | 9 |
| echo-lab.ddo.jp | 9 |
| katabira.ddo.jp | 9 |
| yes-net.ddo.jp | 9 |
| alterroar.ddo.jp | 8 |
Full technology history →
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Recent changes
- dropped TornadoServer Feb 2026
- dropped Darwin Nov 2025