What powers qzss.go.jp?
Last seen Aug 2026 · 11 technologies across 9 categories
Analytics
Editors
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Tag managers
Web servers
Webmail
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| qzss | #3 | 97 |
| clas is | #64 | 74 |
| clas is | #46 | 74 |
| satellites zenith | #2 | 28 |
| satellite zenith | #2 | 28 |
| gnss | #45 | 21 |
| sbas | #9 | 20 |
| qzss satellite | #2 | 18 |
| qzss sensor | #2 | 15 |
| japanese satellites | #4 | 14 |
| quasi zenith satellite | #3 | 11 |
| gnss viewer | #3 | 7 |
| gps satellites list | #3 | 7 |
| satellites zenith | #6 | 6 |
| qzss vs gps | #2 | 5 |
| qzss constellation | #2 | 5 |
| japanese gps | #4 | 5 |
| gps satellite list | #3 | 5 |
| satellite of japan | #9 | 3 |
| qzss | #55 | 2 |
| qzss | #33 | 2 |
| satellite system | #14 | 2 |
| satellite listing | #10 | 2 |
| position of satellite | #11 | 2 |
| irnss | #10 | 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.
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 66% phone
- 30% desktop
- 4% tablet
Japan
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.89 / 10 · ranked #51,442 of all domains
282 referring domains · OpenPageRank
Search traffic
480 est. monthly organic visits (US)
163 keywords in Google's top 30
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 5.2 MB · 114 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| sys.qzss.go.jp | 8 |
| qzss.go.jp | 7 |
| www.q-anpi.qzss.go.jp | 4 |