What powers simul.co.jp?
Last seen Aug 2026 · 34 technologies across 22 categories
Advertising
Analytics
Authentication
Caching
CDN
CMS
Databases
Font scripts
Issue trackers
JavaScript Frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
Tag Managers
Video players
Web Servers
Webmail
Widgets
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| interpreting machine | #58 | 0 |
| japan translation companies | #67 | 0 |
| medical interpreter japanese | #52 | 0 |
| medical interpreter japan | #50 | 0 |
| en to jp translation | #94 | 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 AI crawlers blocked
Audience
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.09 / 10 · ranked #238,408 of all domains
62 referring domains · OpenPageRank
Search traffic
0 est. monthly organic visits (US)
5 keywords in Google's top 30
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 17.1 MB · 161 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Simul International
- Founded: 1965
- Country: Japan
From Wikidata (CC0).
Infrastructure
- DNS: ucom.ne.jp
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: JPRS, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 1,082,925, 4 hosts
- Verified with: Amazon SES, Google, Microsoft 365
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| thbook.simul.co.jp | 21 |
| www.simul.co.jp | 19 |
| st.simul.co.jp | 1 |
Full technology history →
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Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Amazon CloudFront Apr 2026
- detected Amazon SES Apr 2026
- detected Twitter Emoji (Twemoji) Feb 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- detected WordPress Super Cache Oct 2025