D-21 (航空機)

Lockheed D-21 - 1962 American Mach 3+ reconnaissance drone. Article "D-21 (航空機)" in Japanese Wikipedia has 19.5 points for quality (as of November 1, 2023). The article contains 6 references and 9 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that language version.

Since the creation of article "D-21 (航空機)", its content was written by 23 registered users of Japanese Wikipedia and edited by 382 registered Wikipedia users in all languages.

The article is cited 19 times in Japanese Wikipedia and cited 1194 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Japanese): #11138 in October 2019
• Global: #26659 in December 2016

The highest popularity rank from 2008:

• Local (Japanese): #77684 in March 2013
• Global: #16929 in March 2013

There are 14 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 November 1, 2023 (including revision history and pageviews for previous years).

下表顯示了最高品質的文章的語言版本。

#	Language	Quality grade	Quality score
1	English (en) Lockheed D-21		68.7872
2	German (de) Lockheed D-21		44.2225
3	Polish (pl) Lockheed D-21		27.8795
4	Slovenian (sl) Lockheed D-21		27.6581
5	Italian (it) Lockheed D-21/M-21		24.0212
6	Japanese (ja) D-21 (航空機)		19.5471
7	French (fr) Lockheed D-21		17.3548
8	Chinese (zh) D-21無人偵察機		12.644
9	Spanish (es) Lockheed D-21		10.5745
10	Indonesian (id) Lockheed D-21		9.6729

More...

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

The most popular language versions of the article "D-21 (航空機)" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Lockheed D-21		2 617 034
2	German (de) Lockheed D-21		321 378
3	Japanese (ja) D-21 (航空機)		189 185
4	Russian (ru) Lockheed D-21		179 039
5	French (fr) Lockheed D-21		166 849
6	Polish (pl) Lockheed D-21		152 279
7	Spanish (es) Lockheed D-21		85 468
8	Italian (it) Lockheed D-21/M-21		69 695
9	Chinese (zh) D-21無人偵察機		51 391
10	Indonesian (id) Lockheed D-21		7 841

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 "D-21 (航空機)" in October 2023

#	Language	Popularity award	Relative popularity
1	English (en) Lockheed D-21		11 361
2	German (de) Lockheed D-21		1 491
3	Russian (ru) Lockheed D-21		1 120
4	Japanese (ja) D-21 (航空機)		760
5	French (fr) Lockheed D-21		695
6	Italian (it) Lockheed D-21/M-21		498
7	Polish (pl) Lockheed D-21		496
8	Spanish (es) Lockheed D-21		378
9	Chinese (zh) D-21無人偵察機		201
10	Persian (fa) لاکهید دی-۲۱		112

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

Language versions of the article "D-21 (航空機)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Lockheed D-21		143
2	French (fr) Lockheed D-21		50
3	German (de) Lockheed D-21		48
4	Italian (it) Lockheed D-21/M-21		30
5	Russian (ru) Lockheed D-21		24
6	Japanese (ja) D-21 (航空機)		23
7	Spanish (es) Lockheed D-21		17
8	Polish (pl) Lockheed D-21		17
9	Chinese (zh) D-21無人偵察機		8
10	Persian (fa) لاکهید دی-۲۱		6

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 "D-21 (航空機)" with the highest AI in October 2023

#	Language	AI award	Relative AI
1	English (en) Lockheed D-21		1
2	Arabic (ar) لوكهيد دي-21		0
3	German (de) Lockheed D-21		0
4	Spanish (es) Lockheed D-21		0
5	Persian (fa) لاکهید دی-۲۱		0
6	French (fr) Lockheed D-21		0
7	Indonesian (id) Lockheed D-21		0
8	Italian (it) Lockheed D-21/M-21		0
9	Japanese (ja) D-21 (航空機)		0
10	Polish (pl) Lockheed D-21		0

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

Language versions of the article "D-21 (航空機)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Polish (pl) Lockheed D-21		270
2	English (en) Lockheed D-21		195
3	German (de) Lockheed D-21		153
4	French (fr) Lockheed D-21		138
5	Arabic (ar) لوكهيد دي-21		119
6	Indonesian (id) Lockheed D-21		105
7	Italian (it) Lockheed D-21/M-21		73
8	Chinese (zh) D-21無人偵察機		50
9	Slovenian (sl) Lockheed D-21		29
10	Spanish (es) Lockheed D-21		22

More...

#	Language	Value
ar	Arabic لوكهيد دي-21
de	German Lockheed D-21
en	English Lockheed D-21
es	Spanish Lockheed D-21
fa	Persian لاکهید دی-۲۱
fr	French Lockheed D-21
id	Indonesian Lockheed D-21
it	Italian Lockheed D-21/M-21
ja	Japanese D-21 (航空機)
pl	Polish Lockheed D-21
ro	Romanian Lockheed D-21/M-21
ru	Russian Lockheed D-21
sl	Slovenian Lockheed D-21
zh	Chinese D-21無人偵察機

Best Rank

Japanese: #77684 03.2013

Global: #16929 03.2013

Best Rank

Japanese: #11138 10.2019

Global: #26659 12.2016

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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 November, 2023. When calculating current popularity and AI of articles data from October 2023 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information