What powers astronomy.tools?
Last seen Jun 2026 · 14 technologies across 8 categories
Analytics
CDN
cdnjs
since Oct 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Feb 2022
Cookie compliance
JavaScript libraries
Maps
Google Maps
since Jan 2019
UI frameworks
Bootstrap
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Google Workspace
since Aug 2022
Audience
- 49% phone
- 45% desktop
- 5% tablet
United States
India
Germany
United Kingdom
Brazil
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.99 / 10 · ranked #573,404 of all domains
56 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.8 MB · 27 requests
Homepage as crawled by the HTTP Archive, Jul 2026.