Quality:

Sea defense zone - Defensive areas used by Kriegsmarine in WW2. Article “Sea defense zone” in English Wikipedia has 13.7 points for quality (as of July 1, 2025).
The article contains 3 references and 5 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 0.72 points.
Since the creation of article “Sea defense zone”, its content was written by 8 registered users of English Wikipedia and edited by 8 registered Wikipedia users in all languages.
The article is cited 45 times in English Wikipedia and cited 45 times in all languages.
The highest Authors Interest rank from 2001:
- Local (English): #331892 in December 2021
- Global: #755660 in February 2017
The highest popularity rank from 2008:
- Local (English): #1572117 in June 2019
- Global: #2710199 in June 2019
There is 1 language version for this article in the WikiRank database (of the considered 55 Wikipedia language editions).
The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).