What powers openseamap.org?
Last seen Jun 2026 · 20 technologies across 12 categories
CMS
JavaScript frameworks
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Maps
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Miscellaneous
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Security
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Wikis
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| open seas | #75 | 160 |
| sea map | #73 | 5 |
| nautical charts online | #53 | 3 |
| sea depth map | #38 | 2 |
| sea depth chart | #54 | 2 |
| free satellite ais | #5 | 2 |
| calculate nautical distance | #44 | 1 |
| chart downloader | #14 | 1 |
| seemap | #54 | 1 |
| sea chart | #48 | 1 |
| ship tracker map | #71 | 1 |
| nautical distance calculator | #38 | 1 |
| nautic app | #28 | 1 |
| openseamap | #92 | 1 |
| openseamap | #78 | 1 |
| openseamap | #72 | 1 |
| openseamap | #46 | 1 |
| openseamap | #24 | 1 |
| open sea map | #21 | 1 |
| interactive ocean floor map | #94 | 1 |
| location of ships at sea | #6 | 1 |
| maritime map | #59 | 1 |
| mediterranean sea depth map | #94 | 1 |
| mediterranean sea depth map | #40 | 1 |
| free nautical maps | #21 | 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
- 55% phone
- 40% desktop
- 5% tablet
Italy
Austria
Greece
Finland
Denmark
Norway
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.98 / 10 · ranked #111,104 of all domains
258 referring domains · OpenPageRank
Search traffic
190 est. monthly organic visits (US)
119 keywords in Google's top 30
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 1.1 MB · 82 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| depth.openseamap.org | 10 |
| wiki.openseamap.org | 6 |
| alpha.openseamap.org | 4 |
| forum.openseamap.org | 4 |
| openseamap.org | 4 |
| www.openseamap.org | 4 |
| map.openseamap.org | 2 |
| map2.openseamap.org | 2 |
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Recent changes
- detected HSTS Apr 2026