What powers 9640.jp?
Last seen Jun 2026 · 27 technologies across 18 categories
Advertising
Analytics
Authentication
Caching
CDN
CMS
Databases
Ecommerce
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Programming languages
Security
Video players
Web servers
Widgets
WordPress plugins
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| tobira textbook | #1 | 64 |
| tobira gateway to advanced japanese | #2 | 63 |
| tobira: gateway to advanced japanese | #2 | 32 |
| tobira books | #1 | 15 |
| tobira japanese | #3 | 14 |
| tobira workbook | #1 | 9 |
| tobira web | #4 | 9 |
| tobira 1 beginning japanese | #2 | 8 |
| shadowing japanese | #3 | 7 |
| tobira website | #6 | 5 |
| tobira i: beginning japanese | #2 | 5 |
| tobira 2 | #2 | 5 |
| japanese workbook | #9 | 5 |
| handy japanese conversations | #2 | 5 |
| tobira beginning japanese | #8 | 4 |
| tobira 1 | #3 | 4 |
| learning kanji books | #7 | 4 |
| tobira workbook | #3 | 3 |
| tobira beginning japanese pdf | #4 | 3 |
| tobira | #30 | 3 |
| shadowing: let's speak japanese | #3 | 3 |
| shadowing let's speak japanese | #3 | 3 |
| yomujp | #6 | 2 |
| tobira gateway to advanced japanese | #14 | 2 |
| tobira 1 beginning japanese | #6 | 2 |
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.
Audience
- 57% desktop
- 41% phone
- 2% tablet
Japan
United States
Taiwan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.57 / 10 · ranked #150,665 of all domains
122 referring domains · OpenPageRank
Search traffic
310 est. monthly organic visits (US)
138 keywords in Google's top 30
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese (Japan)
- Weight: 2.3 MB · 120 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.9640.jp | 22 |
| tobirabeginning.9640.jp | 14 |
| tobiraweb.9640.jp | 13 |
| 9640.jp | 12 |
| nej.9640.jp | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025