Douglas O-31

Douglas O-31 - US military observation aircraft introduced 1930. Article “Douglas O-31” in Italian Wikipedia has 20.7 points for quality (as of July 1, 2025). The article contains 10 references and 7 sections.

This article has the best quality in Greek Wikipedia. However, the most popular language version of this article is English.

In June 2025 the article “Douglas O-31” was edited by 1 authors in Italian Wikipedia and written by 1 authors in all languages.

Since the creation of article “Douglas O-31”, its content was written by 10 registered users of Italian Wikipedia and edited by 53 registered Wikipedia users in all languages.

The article is cited 57 times in Italian Wikipedia and cited 452 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Italian): #42043 in November 2013
• Global: #174535 in October 2013

The highest popularity rank from 2008:

• Local (Italian): #338731 in December 2013
• Global: #1363633 in October 2015

There are 8 language versions 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).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Greek (el) Douglas O-31		32.0548
2	Chinese (zh) O-31觀察機		31.9701
3	English (en) Douglas O-31		26.6487
4	Spanish (es) Douglas O-31		24.964
5	Italian (it) Douglas O-31		20.6748
6	Persian (fa) داگلاس او-۳۱		11.6759
7	Vietnamese (vi) Douglas O-31		10.5663
8	Indonesian (id) Douglas O-31		5.8525

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Douglas O-31" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Douglas O-31		68 445
2	Spanish (es) Douglas O-31		2 601
3	Italian (it) Douglas O-31		2 461
4	Indonesian (id) Douglas O-31		1 214
5	Vietnamese (vi) Douglas O-31		1 117
6	Greek (el) Douglas O-31		891
7	Chinese (zh) O-31觀察機		651
8	Persian (fa) داگلاس او-۳۱		461

More...

The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Douglas O-31" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Douglas O-31		312
2	Chinese (zh) O-31觀察機		25
3	Spanish (es) Douglas O-31		17
4	Italian (it) Douglas O-31		11
5	Indonesian (id) Douglas O-31		5
6	Greek (el) Douglas O-31		4
7	Persian (fa) داگلاس او-۳۱		4
8	Vietnamese (vi) Douglas O-31		4

More...

The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Douglas O-31" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Douglas O-31		27
2	Italian (it) Douglas O-31		10
3	Vietnamese (vi) Douglas O-31		6
4	Greek (el) Douglas O-31		3
5	Spanish (es) Douglas O-31		2
6	Persian (fa) داگلاس او-۳۱		2
7	Chinese (zh) O-31觀察機		2
8	Indonesian (id) Douglas O-31		1

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Douglas O-31" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Italian (it) Douglas O-31		1
2	Greek (el) Douglas O-31		0
3	English (en) Douglas O-31		0
4	Spanish (es) Douglas O-31		0
5	Persian (fa) داگلاس او-۳۱		0
6	Indonesian (id) Douglas O-31		0
7	Vietnamese (vi) Douglas O-31		0
8	Chinese (zh) O-31觀察機		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Douglas O-31" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Douglas O-31		134
2	Vietnamese (vi) Douglas O-31		91
3	Persian (fa) داگلاس او-۳۱		64
4	Italian (it) Douglas O-31		57
5	Indonesian (id) Douglas O-31		55
6	Chinese (zh) O-31觀察機		38
7	Greek (el) Douglas O-31		7
8	Spanish (es) Douglas O-31		6

More...

#	Language	Value
el	Greek Douglas O-31
en	English Douglas O-31
es	Spanish Douglas O-31
fa	Persian داگلاس او-۳۱
id	Indonesian Douglas O-31
it	Italian Douglas O-31
vi	Vietnamese Douglas O-31
zh	Chinese O-31觀察機

Best Rank

Italian: #338731 12.2013

Global: #1363633 10.2015

Best Rank

Italian: #42043 11.2013

Global: #174535 10.2013

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information