What powers fra.go.jp?
Last seen Jun 2026 · 31 technologies across 20 categories
Analytics
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| jumbo flying squid | #58 | 38 |
| oligotrophication | #20 | 9 |
| inland sea japan | #76 | 4 |
| barred knifejaw | #30 | 2 |
| seaweeds japan | #82 | 2 |
| yellow striped butterfish | #8 | 1 |
| biwa trout | #16 | 1 |
| skilfish | #18 | 1 |
| pelagic species | #68 | 1 |
| japanese spanish mackerel | #37 | 1 |
| japanese butterfish | #19 | 1 |
| japanese butterfish | #19 | 1 |
| knightfish | #14 | 1 |
| longtooth grouper | #16 | 1 |
| dotted gizzard shad | #7 | 1 |
| fisheries engineer | #16 | 1 |
| flying fish wings | #57 | 1 |
| deep-sea smelt | #8 | 1 |
| deep sea smelt | #9 | 1 |
| why does a crustacean have to molt | #26 | 0 |
| whitefin fish | #25 | 0 |
| yokohama market fisheries department | #26 | 0 |
| blue fusilier | #17 | 0 |
| bull carp | #37 | 0 |
| can fish have herpes | #38 | 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.
Audience
- 100% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.26 / 10 · ranked #92,230 of all domains
177 referring domains · OpenPageRank
Search traffic
69 est. monthly organic visits (US)
73 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.6 MB · 46 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| akashiwo.fra.go.jp | 11 |
| abchan.fra.go.jp | 10 |
| salmon-ctmp.fra.go.jp | 9 |
| www.fra.go.jp | 8 |
| fra-roms.fra.go.jp | 7 |
| www2.fra.go.jp | 7 |
| buoy.fra.go.jp | 5 |
| isc.fra.go.jp | 5 |
| sh-u-n.fra.go.jp | 5 |
| kokushi.fra.go.jp | 4 |
Full technology history →
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Recent changes
- dropped CentOS Jun 2026
- detected Amazon SES Feb 2026