What powers asj.or.jp?
Last seen Jun 2026 · 9 technologies across 6 categories
Analytics
Google Analytics
since Dec 2020
Font scripts
Google Font API
since Dec 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Security
HSTS
since May 2025
Web servers
Apache HTTP Server
since Jan 2019
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| asj | #48 | 5 |
| orbital period of saturn | #83 | 1 |
| japanese astronomers | #13 | 1 |
| japanese astronomers | #13 | 1 |
| comet simulation | #91 | 0 |
| the mass of jupiter can be calculated by | #59 | 0 |
| tsung-dao lee institute | #31 | 0 |
| tsung dao lee institute | #31 | 0 |
| vsrec | #82 | 0 |
| what information is needed to calculate the mass of jupiter | #49 | 0 |
| astrophysical journal submit | #84 | 0 |
| astronomy in japan | #83 | 0 |
| astronomy in japan | #55 | 0 |
| astro-e | #52 | 0 |
| national astronomical observatory of japan | #25 | 0 |
| pasj | #97 | 0 |
| pasj | #95 | 0 |
| pasj | #93 | 0 |
| pasj | #89 | 0 |
| pasj | #85 | 0 |
| pasj | #97 | 0 |
| pasj | #95 | 0 |
| pasj | #93 | 0 |
| pasj | #89 | 0 |
| pasj | #85 | 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
- 82% desktop
- 18% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.42 / 10 · ranked #80,946 of all domains
212 referring domains · OpenPageRank
Search traffic
8 est. monthly organic visits (US)
36 keywords in Google's top 30
Core Web Vitals
| LCP | 0.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.8 MB · 77 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.