What powers 
wddj.jp?
Last seen Sep 2026 · 6 technologies across 5 categories
CDN
JavaScript libraries
PaaS
Video players
Web servers
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 |
|---|---|---|
| universal symbol of diabetes | #4 | 3 |
| symbol for diabetes awareness | #10 | 1 |
| what is the diabetes color | #13 | 1 |
| what color is diabetes awareness | #16 | 1 |
| diabetes blue circle tattoo | #19 | 0 |
| blue circle diabetes tattoo | #36 | 0 |
| wddj | #54 | 0 |
| type 2 diabetes symbol | #57 | 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
- 55% desktop
- 45% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.22 / 10 · ranked #227,885 of all domains
93 referring domains · OpenPageRank
Search traffic
6 est. monthly organic visits (US)
8 keywords in Google's top 30
Core Web Vitals
| LCP | 0.7 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 1.4 MB · 44 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on IDCF IDC Frontier Inc. (164.46.90.88)
- DNS: Amazon Route 53
- Email: wddj.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 1,080,217, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| wddj.jp | 6 |
| www.wddj.jp | 6 |