Frederik Kettler (1569-1642)

Friedrich Kettler - Baltic German noble (1569-1642). Article "Frederik Kettler (1569-1642)" in Dutch Wikipedia has 1.7 points for quality (as of July 1, 2025).

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

Since the creation of article "Frederik Kettler (1569-1642)", its content was written by 22 registered users of Dutch Wikipedia and edited by 244 registered Wikipedia users in all languages.

The article is cited 19 times in Dutch Wikipedia and cited 525 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Dutch): #12071 in September 2007
• Global: #64757 in October 2010

The highest popularity rank from 2008:

• Local (Dutch): #238282 in March 2022
• Global: #594667 in April 2008

There are 16 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	Ukrainian (uk) Фрідріх Кеттлер		37.966
2	Catalan (ca) Frederic Kettler		19.3157
3	Swedish (sv) Fredrik Kettler		18.5185
4	German (de) Friedrich Kettler		18.0124
5	Italian (it) Friedrich Kettler		15.0557
6	Greek (el) Φρειδερίκος Κέττλερ		12.1858
7	English (en) Friedrich Kettler		8.693
8	Polish (pl) Fryderyk Kettler		8.2912
9	Russian (ru) Фридрих (герцог Курляндии)		7.2666
10	Portuguese (pt) Frederico Kettler		5.148

More...

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

The most popular language versions of the article "Frederik Kettler (1569-1642)" in all the time

#	Language	Popularity award	Relative popularity
1	Polish (pl) Fryderyk Kettler		51 650
2	English (en) Friedrich Kettler		49 176
3	Russian (ru) Фридрих (герцог Курляндии)		33 069
4	German (de) Friedrich Kettler		25 814
5	Italian (it) Friedrich Kettler		9 271
6	French (fr) Frédéric Ier Kettler		6 932
7	Spanish (es) Federico Kettler		6 674
8	Japanese (ja) フリードリヒ・ケトラー		5 082
9	Dutch (nl) Frederik Kettler (1569-1642)		3 696
10	Estonian (et) Friedrich Kettler		3 533

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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 "Frederik Kettler (1569-1642)" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Friedrich Kettler		471
2	Polish (pl) Fryderyk Kettler		104
3	Russian (ru) Фридрих (герцог Курляндии)		103
4	German (de) Friedrich Kettler		91
5	Spanish (es) Federico Kettler		57
6	French (fr) Frédéric Ier Kettler		35
7	Japanese (ja) フリードリヒ・ケトラー		31
8	Chinese (zh) 腓特烈·克特勒		25
9	Italian (it) Friedrich Kettler		21
10	Ukrainian (uk) Фрідріх Кеттлер		19

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

Language versions of the article "Frederik Kettler (1569-1642)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	German (de) Friedrich Kettler		40
2	Italian (it) Friedrich Kettler		38
3	English (en) Friedrich Kettler		30
4	Russian (ru) Фридрих (герцог Курляндии)		27
5	Dutch (nl) Frederik Kettler (1569-1642)		22
6	French (fr) Frédéric Ier Kettler		17
7	Polish (pl) Fryderyk Kettler		14
8	Ukrainian (uk) Фрідріх Кеттлер		14
9	Spanish (es) Federico Kettler		8
10	Swedish (sv) Fredrik Kettler		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 "Frederik Kettler (1569-1642)" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Ukrainian (uk) Фрідріх Кеттлер		1
2	Catalan (ca) Frederic Kettler		0
3	German (de) Friedrich Kettler		0
4	Greek (el) Φρειδερίκος Κέττλερ		0
5	English (en) Friedrich Kettler		0
6	Spanish (es) Federico Kettler		0
7	Estonian (et) Friedrich Kettler		0
8	French (fr) Frédéric Ier Kettler		0
9	Italian (it) Friedrich Kettler		0
10	Japanese (ja) フリードリヒ・ケトラー		0

More...

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

Language versions of the article "Frederik Kettler (1569-1642)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Ukrainian (uk) Фрідріх Кеттлер		95
2	Russian (ru) Фридрих (герцог Курляндии)		90
3	Polish (pl) Fryderyk Kettler		88
4	German (de) Friedrich Kettler		80
5	Italian (it) Friedrich Kettler		29
6	English (en) Friedrich Kettler		25
7	French (fr) Frédéric Ier Kettler		20
8	Dutch (nl) Frederik Kettler (1569-1642)		19
9	Spanish (es) Federico Kettler		16
10	Estonian (et) Friedrich Kettler		16

More...

#	Language	Value
ca	Catalan Frederic Kettler
de	German Friedrich Kettler
el	Greek Φρειδερίκος Κέττλερ
en	English Friedrich Kettler
es	Spanish Federico Kettler
et	Estonian Friedrich Kettler
fr	French Frédéric Ier Kettler
it	Italian Friedrich Kettler
ja	Japanese フリードリヒ・ケトラー
nl	Dutch Frederik Kettler (1569-1642)
pl	Polish Fryderyk Kettler
pt	Portuguese Frederico Kettler
ru	Russian Фридрих (герцог Курляндии)
sv	Swedish Fredrik Kettler
uk	Ukrainian Фрідріх Кеттлер
zh	Chinese 腓特烈·克特勒

Best Rank

Dutch: #238282 03.2022

Global: #594667 04.2008

Best Rank

Dutch: #12071 09.2007

Global: #64757 10.2010

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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