Shale

Shale - fine-grained, clastic sedimentary rock. Article “Shale” in French Wikipedia has 21.9 points for quality (as of July 1, 2026). The article contains 8 references and 8 sections.

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

Since the creation of article “Shale”, its content was written by 20 registered users of French Wikipedia and edited by 688 registered Wikipedia users in all languages.

The article is cited 190 times in French Wikipedia and cited 8005 times in all languages.

The highest Authors Interest rank from 2001:

• Local (French): #7030 in August 2022
• Global: #6219 in March 2002

The highest popularity rank from 2008:

• Local (French): #122316 in December 2014
• Global: #23398 in December 2014

There are 38 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, 2026 (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) Shale		66.3297
2	Greek (el) Σχιστόλιθος		53.6271
3	Uzbek (uz) Slanets		49.9804
4	Chinese (zh) 页岩		43.0057
5	Catalan (ca) Shale		34.535
6	Croatian (hr) Škriljevac		34.0944
7	Slovak (sk) Bridlica (sediment)		33.9709
8	Simple English (simple) Shale		33.5186
9	Hebrew (he) פצלים		33.5103
10	Turkish (tr) Şeyl		32.9454

More...

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

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

#	Language	Popularity award	Relative popularity
1	English (en) Shale		4 850 443
2	Japanese (ja) 頁岩		720 297
3	Thai (th) หินดินดาน		197 169
4	Chinese (zh) 页岩		194 317
5	Russian (ru) Глинистый сланец		187 231
6	Portuguese (pt) Folhelho		160 928
7	Dutch (nl) Schalie (gesteente)		156 923
8	Polish (pl) Łupek ilasty		143 848
9	Spanish (es) Shale		111 168
10	Vietnamese (vi) Đá phiến sét		85 789

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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 "Shale" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Shale		8 978
2	Japanese (ja) 頁岩		1 375
3	Chinese (zh) 页岩		477
4	Russian (ru) Глинистый сланец		409
5	Persian (fa) شیل (سنگ)		355
6	French (fr) Shale		336
7	Dutch (nl) Schalie (gesteente)		288
8	Spanish (es) Shale		271
9	Polish (pl) Łupek ilasty		254
10	Portuguese (pt) Folhelho		207

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Shale		300
2	Dutch (nl) Schalie (gesteente)		42
3	Japanese (ja) 頁岩		28
4	Norwegian (no) Leirskifer		22
5	Portuguese (pt) Folhelho		22
6	Italian (it) Shale (roccia)		21
7	French (fr) Shale		20
8	Polish (pl) Łupek ilasty		20
9	Swedish (sv) Lerskiffer		18
10	Vietnamese (vi) Đá phiến sét		17

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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 "Shale" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Greek (el) Σχιστόλιθος		1
2	Arabic (ar) طفل صفحي		0
3	Belarusian (be) Гліністы сланец		0
4	Bulgarian (bg) Глинести шисти		0
5	Catalan (ca) Shale		0
6	Czech (cs) Jílovitá břidlice		0
7	Danish (da) Lerskifer		0
8	English (en) Shale		0
9	Spanish (es) Shale		0
10	Estonian (et) Savikilt		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 "Shale" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Shale		3 795
2	Chinese (zh) 页岩		315
3	Japanese (ja) 頁岩		308
4	Korean (ko) 셰일		272
5	Russian (ru) Глинистый сланец		263
6	Polish (pl) Łupek ilasty		242
7	Georgian (ka) თიხაფიქალი		238
8	Portuguese (pt) Folhelho		238
9	Dutch (nl) Schalie (gesteente)		224
10	Hebrew (he) פצלים		202

More...

#	Language	Value
ar	Arabic طفل صفحي
be	Belarusian Гліністы сланец
bg	Bulgarian Глинести шисти
ca	Catalan Shale
cs	Czech Jílovitá břidlice
da	Danish Lerskifer
el	Greek Σχιστόλιθος
en	English Shale
es	Spanish Shale
et	Estonian Savikilt
fa	Persian شیل (سنگ)
fi	Finnish Savikivi
fr	French Shale
he	Hebrew פצלים
hr	Croatian Škriljevac
id	Indonesian Batu serpih
it	Italian Shale (roccia)
ja	Japanese 頁岩
ka	Georgian თიხაფიქალი
ko	Korean 셰일
nl	Dutch Schalie (gesteente)
nn	Norwegian (Nynorsk) Leirskifer
no	Norwegian Leirskifer
pl	Polish Łupek ilasty
pt	Portuguese Folhelho
ru	Russian Глинистый сланец
sh	Serbo-Croatian Škriljavac
simple	Simple English Shale
sk	Slovak Bridlica (sediment)
sv	Swedish Lerskiffer
ta	Tamil களிப்பாறை
th	Thai หินดินดาน
tr	Turkish Şeyl
uk	Ukrainian Глинистий сланець
uz	Uzbek Slanets
vi	Vietnamese Đá phiến sét
zh	Chinese 页岩
zhminnan	Min Nan Ia̍p-giâm

Best Rank

French: #122316 12.2014

Global: #23398 12.2014

Best Rank

French: #7030 08.2022

Global: #6219 03.2002

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In French Wikipedia the most popular articles on that day were: Michael Olise, Liste des buteurs de la Coupe du monde de football, Coupe du monde de football 2026, Kylian Mbappé, All Her Fault, Rudi Garcia, Romelu Lukaku, Coupe du monde de football, Sadio Mané, Didier Deschamps.

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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information