CD31

Platelet and endothelial cell adhesion molecule 1 - mammalian protein found in Homo sapiens. Article “CD31” in English Wikipedia has 69.2 points for quality (as of July 1, 2025). The article contains 39 references and 16 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

In June 2025 the article “CD31” was edited by 1 authors in English Wikipedia and written by 2 authors in all languages.

Since the creation of article “CD31”, its content was written by 38 registered users of English Wikipedia and edited by 84 registered Wikipedia users in all languages.

The article is cited 463 times in English Wikipedia and cited 1372 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #170033 in April 2009
• Global: #92620 in February 2021

The highest popularity rank from 2008:

• Local (English): #136370 in April 2015
• Global: #228998 in April 2015

There are 12 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	English (en) CD31		69.2419
2	Chinese (zh) 血小板内皮细胞黏附分子		46.3704
3	Japanese (ja) CD31		38.2685
4	French (fr) PECAM1		33.8128
5	Vietnamese (vi) CD31		33.3298
6	Persian (fa) CD31		31.9359
7	Czech (cs) CD31		26.3367
8	German (de) CD31		24.0678
9	Portuguese (pt) CD31		19.9951
10	Galician (gl) CD31		19.9825

More...

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

The most popular language versions of the article "CD31" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) CD31		926 847
2	German (de) CD31		44 429
3	Russian (ru) PECAM-1		21 693
4	French (fr) PECAM1		21 218
5	Portuguese (pt) CD31		13 702
6	Galician (gl) CD31		3 261
7	Persian (fa) CD31		2 612
8	Chinese (zh) 血小板内皮细胞黏附分子		1 953
9	Vietnamese (vi) CD31		907
10	Czech (cs) CD31		715

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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 "CD31" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) CD31		1 201
2	French (fr) PECAM1		83
3	Japanese (ja) CD31		78
4	German (de) CD31		74
5	Russian (ru) PECAM-1		64
6	Chinese (zh) 血小板内皮细胞黏附分子		57
7	Portuguese (pt) CD31		20
8	Persian (fa) CD31		13
9	Vietnamese (vi) CD31		13
10	Ukrainian (uk) PECAM1		10

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

Language versions of the article "CD31" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) CD31		38
2	German (de) CD31		9
3	Portuguese (pt) CD31		7
4	Vietnamese (vi) CD31		6
5	Czech (cs) CD31		5
6	Russian (ru) PECAM-1		5
7	French (fr) PECAM1		4
8	Galician (gl) CD31		4
9	Persian (fa) CD31		3
10	Japanese (ja) CD31		1

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

Language versions of the article "CD31" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) CD31		1
2	Portuguese (pt) CD31		1
3	Czech (cs) CD31		0
4	German (de) CD31		0
5	Persian (fa) CD31		0
6	French (fr) PECAM1		0
7	Galician (gl) CD31		0
8	Japanese (ja) CD31		0
9	Russian (ru) PECAM-1		0
10	Ukrainian (uk) PECAM1		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 "CD31" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) CD31		463
2	Russian (ru) PECAM-1		337
3	Ukrainian (uk) PECAM1		336
4	Chinese (zh) 血小板内皮细胞黏附分子		82
5	French (fr) PECAM1		60
6	Japanese (ja) CD31		26
7	Persian (fa) CD31		23
8	Vietnamese (vi) CD31		22
9	Galician (gl) CD31		11
10	German (de) CD31		6

More...

#	Language	Value
cs	Czech CD31
de	German CD31
en	English CD31
fa	Persian CD31
fr	French PECAM1
gl	Galician CD31
ja	Japanese CD31
pt	Portuguese CD31
ru	Russian PECAM-1
uk	Ukrainian PECAM1
vi	Vietnamese CD31
zh	Chinese 血小板内皮细胞黏附分子

Best Rank

English: #136370 04.2015

Global: #228998 04.2015

Best Rank

English: #170033 04.2009

Global: #92620 02.2021

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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