Z39.50

Z39.50 - application layer communications protocol for searching and retrieving information from a database over a TCP/IP computer network. Article “Z39.50” in Russian Wikipedia has 9.1 points for quality (as of July 1, 2025). The article contains 1 references and 6 sections.

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

Since the creation of article “Z39.50”, its content was written by 6 registered users of Russian Wikipedia and edited by 309 registered Wikipedia users in all languages.

The article is cited 6 times in Russian Wikipedia and cited 411 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Russian): #15922 in January 2019
• Global: #8618 in January 2003

The highest popularity rank from 2008:

• Local (Russian): #251926 in March 2008
• Global: #182212 in April 2008

There are 19 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	Catalan (ca) Z39.50		28.9531
2	German (de) Z39.50		27.9057
3	Polish (pl) Z39.50		25.8089
4	French (fr) Z39.50		25.2716
5	Hebrew (he) Z39.50		24.7102
6	Hungarian (hu) Z39.50 protokoll		24.5935
7	Czech (cs) Z39.50		21.8903
8	Portuguese (pt) Z39.50		19.1551
9	Italian (it) Z39.50		16.5605
10	English (en) Z39.50		16.1434

More...

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

The most popular language versions of the article "Z39.50" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Z39.50		497 006
2	German (de) Z39.50		68 757
3	French (fr) Z39.50		59 620
4	Spanish (es) Z39.50		49 233
5	Polish (pl) Z39.50		31 401
6	Japanese (ja) Z39.50		27 948
7	Italian (it) Z39.50		25 761
8	Portuguese (pt) Z39.50		20 977
9	Arabic (ar) بروتوكول Z39.50		11 215
10	Russian (ru) Z39.50		10 657

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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 "Z39.50" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Z39.50		1 133
2	Spanish (es) Z39.50		175
3	German (de) Z39.50		102
4	French (fr) Z39.50		93
5	Korean (ko) Z39.50		72
6	Russian (ru) Z39.50		66
7	Italian (it) Z39.50		62
8	Portuguese (pt) Z39.50		59
9	Japanese (ja) Z39.50		25
10	Arabic (ar) بروتوكول Z39.50		23

More...

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

Language versions of the article "Z39.50" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Z39.50		79
2	German (de) Z39.50		62
3	French (fr) Z39.50		40
4	Italian (it) Z39.50		18
5	Portuguese (pt) Z39.50		14
6	Danish (da) Z39.50		13
7	Japanese (ja) Z39.50		12
8	Polish (pl) Z39.50		11
9	Catalan (ca) Z39.50		10
10	Hungarian (hu) Z39.50 protokoll		8

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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 "Z39.50" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Z39.50		1
2	Arabic (ar) بروتوكول Z39.50		0
3	Catalan (ca) Z39.50		0
4	Czech (cs) Z39.50		0
5	Danish (da) Z39.50		0
6	German (de) Z39.50		0
7	Spanish (es) Z39.50		0
8	Persian (fa) پروتکل زد۳۹٫۵۰		0
9	French (fr) Z39.50		0
10	Hebrew (he) Z39.50		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 "Z39.50" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Italian (it) Z39.50		186
2	English (en) Z39.50		85
3	German (de) Z39.50		23
4	French (fr) Z39.50		23
5	Spanish (es) Z39.50		16
6	Polish (pl) Z39.50		12
7	Ukrainian (uk) Z39.50		9
8	Japanese (ja) Z39.50		8
9	Persian (fa) پروتکل زد۳۹٫۵۰		7
10	Russian (ru) Z39.50		6

More...

#	Language	Value
ar	Arabic بروتوكول Z39.50
ca	Catalan Z39.50
cs	Czech Z39.50
da	Danish Z39.50
de	German Z39.50
en	English Z39.50
es	Spanish Z39.50
fa	Persian پروتکل زد۳۹٫۵۰
fr	French Z39.50
he	Hebrew Z39.50
hu	Hungarian Z39.50 protokoll
it	Italian Z39.50
ja	Japanese Z39.50
ko	Korean Z39.50
pl	Polish Z39.50
pt	Portuguese Z39.50
ru	Russian Z39.50
sr	Serbian Z39.50
uk	Ukrainian Z39.50

Best Rank

Russian: #251926 03.2008

Global: #182212 04.2008

Best Rank

Russian: #15922 01.2019

Global: #8618 01.2003

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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