What powers opencpn.org?
Last seen Jun 2026 · 26 technologies across 10 categories
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PHP
since Oct 2022
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since Sep 2022
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since Apr 2018
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| cpn software | #1 | 880 |
| cpn software | #1 | 880 |
| opencpn | #1 | 300 |
| opencpn raspberry pi | #1 | 97 |
| marine navigation software | #1 | 52 |
| opencpn download | #1 | 43 |
| navionics | #55 | 38 |
| signalk | #3 | 25 |
| cpn | #36 | 24 |
| download opencpn | #2 | 23 |
| opencpn charts | #1 | 21 |
| chart downloader | #2 | 18 |
| plotter | #72 | 17 |
| opencpn download | #3 | 14 |
| opencpn android | #3 | 14 |
| cpn charting system | #1 | 12 |
| cpn charting system | #1 | 12 |
| navionics chart viewer | #32 | 11 |
| opencpn chart | #2 | 11 |
| debian tablet | #37 | 11 |
| ais software | #3 | 9 |
| navigation software for pc | #1 | 9 |
| nmea | #29 | 9 |
| garmin marine chartplotter | #76 | 9 |
| download opencpn charts | #1 | 9 |
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% desktop
- 37% phone
- 6% tablet
Greece
Sweden
New Zealand
Denmark
Norway
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.43 / 10 · ranked #167,649 of all domains
189 referring domains · OpenPageRank
Search traffic
2,900 est. monthly organic visits (US)
1,054 keywords in Google's top 30
Core Web Vitals
| LCP | 1.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.9 MB · 28 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| download.opencpn.org | 17 |
| mail.opencpn.org | 10 |
| opencpn.org | 10 |
| www.opencpn.org | 10 |