What powers anfr.fr?
Last seen Jun 2026 · 68 technologies across 24 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| s ar | #57 | 64 |
| anf | #87 | 25 |
| french territories | #66 | 11 |
| what is a frequency spectrum | #2 | 8 |
| anfr | #4 | 8 |
| frequence | #37 | 8 |
| wave spectrum | #59 | 6 |
| what is sar value | #23 | 6 |
| radio frequency spectrum | #17 | 6 |
| vhf marine radio frequencies | #98 | 5 |
| wave frequency spectrum | #2 | 4 |
| sites spectre | #49 | 4 |
| mesure | #44 | 4 |
| radio spectrum | #16 | 3 |
| vhf marine frequencies | #87 | 2 |
| what is frequency bands | #12 | 2 |
| radio frequency spectrum bands | #13 | 2 |
| anfr | #10 | 2 |
| 800 megahertz radio | #69 | 2 |
| eric fournier | #41 | 2 |
| frequency band | #51 | 2 |
| frequency band | #51 | 2 |
| das dfinition | #10 | 2 |
| define spectrum | #64 | 2 |
| wireless spectrum | #54 | 1 |
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
- 57% phone
- 38% desktop
- 5% tablet
France
Belgium
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.40 / 10 · ranked #23,607 of all domains
770 referring domains · OpenPageRank
Search traffic
200 est. monthly organic visits (US)
217 keywords in Google's top 30
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 24.2 MB · 140 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| data.anfr.fr | 17 |
| conference.anfr.fr | 14 |
| data-backoffice.anfr.fr | 14 |
| amatpres.anfr.fr | 12 |
| boutique.anfr.fr | 12 |
| www.anfr.fr | 12 |
| annuaire-amateurs.anfr.fr | 10 |
| mesures.anfr.fr | 10 |
| pmr.anfr.fr | 10 |
| examen-crr.anfr.fr | 9 |
| 5g.anfr.fr | 8 |
| hackathon.anfr.fr | 8 |
| presentation-amateurs.anfr.fr | 7 |
| scanfrequences.anfr.fr | 7 |
| teleservice-amateurs.anfr.fr | 7 |
| auth.anfr.fr | 6 |
| faq.anfr.fr | 5 |
| testandtagging.anfr.fr | 5 |
| crr.anfr.fr | 4 |
| maintenance.anfr.fr | 4 |
| teleservice-radiomaritime.anfr.fr | 4 |
| maison.anfr.fr | 1 |
Full technology history →
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