What powers sidc.be?
Last seen Jun 2026 · 14 technologies across 9 categories
CDN
CMS
Font scripts
JavaScript libraries
Miscellaneous
Prism
since Dec 2021
Operating systems
Ubuntu
since Jan 2019
Programming languages
PHP
since Jan 2019
UI frameworks
Tailwind CSS
since Apr 2022
Web servers
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| solar activity today | #6 | 81 |
| sunspot | #7 | 69 |
| sunspots numbers | #1 | 64 |
| sunspot number | #1 | 64 |
| prominences | #49 | 47 |
| current sunspots | #6 | 34 |
| sunspot number today | #2 | 28 |
| number of sunspots today | #2 | 28 |
| solar storm june 30th | #2 | 23 |
| solar activity | #13 | 17 |
| is there a solar flare today | #7 | 17 |
| icmes | #8 | 17 |
| sunspot graph | #2 | 15 |
| sunspot data | #1 | 15 |
| sunspot chart | #2 | 15 |
| solar demon | #1 | 15 |
| coronal holes | #4 | 13 |
| sunspots on the sun today | #10 | 11 |
| solar event today | #7 | 10 |
| solar activity chart | #7 | 10 |
| daily sunspot numbers | #1 | 9 |
| sdftyuiop | #6 | 7 |
| self organizing systems | #4 | 7 |
| silso | #4 | 7 |
| sunspots | #72 | 6 |
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
- 51% phone
- 49% desktop
United States
India
Japan
Italy
Belgium
Brazil
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.33 / 10 · ranked #86,853 of all domains
367 referring domains · OpenPageRank
Search traffic
890 est. monthly organic visits (US)
441 keywords in Google's top 30
Core Web Vitals
| LCP | 1.5 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 6.7 MB · 62 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| sidc.be | 13 |
| www.sidc.be | 13 |
| wwwbis.sidc.be | 12 |
| proba2.sidc.be | 5 |