Esquistos bituminosos

Quality:

Oil shale - organic-rich fine-grained sedimentary rock containing kerogen. Article “Esquistos bituminosos” in Spanish Wikipedia has 24.8 points for quality (as of July 1, 2025). The article contains 3 references and 17 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 1.31 points.

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

Since the creation of article “Esquistos bituminosos”, its content was written by 47 registered users of Spanish Wikipedia and edited by 1487 registered Wikipedia users in all languages.

The article is cited 118 times in Spanish Wikipedia and cited 5478 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Spanish): #8105 in March 2019
• Global: #1540 in May 2008

The highest popularity rank from 2008:

• Local (Spanish): #19640 in December 2014
• Global: #3896 in December 2014

There are 44 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	Chinese (zh) 油頁岩		98.4623
2	English (en) Oil shale		96.9135
3	Swedish (sv) Oljeskiffer		85.3509
4	Vietnamese (vi) Đá phiến dầu		78.9419
5	French (fr) Schiste bitumineux		71.3302
6	German (de) Ölschiefer		68.4884
7	Hebrew (he) פצלי שמן		66.3209
8	Estonian (et) Põlevkivi		52.9387
9	Japanese (ja) オイルシェール		50.5466
10	Portuguese (pt) Xisto betuminoso		49.2181

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

#	Language	Popularity award	Relative popularity
1	English (en) Oil shale		3 520 904
2	Russian (ru) Горючий сланец		837 058
3	Japanese (ja) オイルシェール		770 855
4	Chinese (zh) 油頁岩		433 824
5	German (de) Ölschiefer		425 806
6	Portuguese (pt) Xisto betuminoso		402 661
7	Thai (th) หินน้ำมัน		351 423
8	Spanish (es) Esquistos bituminosos		293 822
9	Vietnamese (vi) Đá phiến dầu		281 523
10	French (fr) Schiste bitumineux		270 790

The following table shows the language versions of the article with the highest popularity in the last month.

#	Language	Popularity award	Relative popularity
1	English (en) Oil shale		5 325
2	Russian (ru) Горючий сланец		1 285
3	German (de) Ölschiefer		1 158
4	Chinese (zh) 油頁岩		813
5	Japanese (ja) オイルシェール		719
6	Vietnamese (vi) Đá phiến dầu		536
7	Spanish (es) Esquistos bituminosos		510
8	Polish (pl) Łupki bitumiczne		402
9	Arabic (ar) صخر زيتي		381
10	Portuguese (pt) Xisto betuminoso		368

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

#	Language	AI award	Relative AI
1	English (en) Oil shale		367
2	German (de) Ölschiefer		158
3	Hebrew (he) פצלי שמן		105
4	French (fr) Schiste bitumineux		102
5	Russian (ru) Горючий сланец		63
6	Italian (it) Scisto bituminoso		48
7	Swedish (sv) Oljeskiffer		48
8	Spanish (es) Esquistos bituminosos		47
9	Vietnamese (vi) Đá phiến dầu		47
10	Dutch (nl) Olieschalie		41

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

#	Language	AI award	Relative AI
1	Dutch (nl) Olieschalie		5
2	Russian (ru) Горючий сланец		2
3	Arabic (ar) صخر زيتي		0
4	Azerbaijani (az) Yanar şist		0
5	Belarusian (be) Гаручыя сланцы		0
6	Bulgarian (bg) Битуминозни шисти		0
7	Catalan (ca) Pissarra bituminosa		0
8	Czech (cs) Ropné břidlice		0
9	Danish (da) Olieskifer		0
10	German (de) Ölschiefer		0

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

On 16 March 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 98th Academy Awards, Michael B. Jordan, Sinners, Jessie Buckley, Paul Thomas Anderson, Sean Penn, One Battle After Another, Amy Madigan, Hamnet, Timothée Chalamet.

In Spanish Wikipedia the most popular articles on that day were: 98.ª edición de los Premios Óscar, Una batalla tras otra, Michael B. Jordan, Marcelo Araujo, Paul Thomas Anderson, Amy Madigan, Jessie Buckley, Sean Penn, Sinners, Hamnet (película).

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