Hulla

Quality:

Bituminous coal - often greasy, shiny, combustible organic sedimentary rock that consists of more than 75 per cent carbon by weight. Article “Hulla” in Catalan Wikipedia has 34.8 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 (Catalan) language version.

Since the creation of article “Hulla”, its content was written by 21 registered users of Catalan Wikipedia and edited by 1343 registered Wikipedia users in all languages.

The article is cited 100 times in Catalan Wikipedia and cited 12550 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Catalan): #601 in October 2005
• Global: #5187 in November 2002

The highest popularity rank from 2008:

• Local (Catalan): #996 in April 2015
• Global: #11645 in April 2008

There are 37 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) Bituminous coal		85.3674
2	Polish (pl) Węgiel kamienny		71.6713
3	German (de) Steinkohle		56.9038
4	Czech (cs) Černé uhlí		41.7593
5	French (fr) Houille		41.3671
6	Catalan (ca) Hulla		34.769
7	Serbo-Croatian (sh) Kameni ugljen		34.7275
8	Slovak (sk) Čierne uhlie		32.7072
9	Portuguese (pt) Hulha		27.1568
10	Russian (ru) Каменный уголь		25.8808

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

#	Language	Popularity award	Relative popularity
1	Polish (pl) Węgiel kamienny		2 893 501
2	English (en) Bituminous coal		2 337 557
3	German (de) Steinkohle		2 196 419
4	Russian (ru) Каменный уголь		1 319 248
5	French (fr) Houille		1 265 798
6	Spanish (es) Hulla		1 227 445
7	Czech (cs) Černé uhlí		683 401
8	Ukrainian (uk) Кам'яне вугілля		632 622
9	Portuguese (pt) Hulha		440 431
10	Swedish (sv) Stenkol		275 286

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) Bituminous coal		4 866
2	German (de) Steinkohle		3 342
3	Russian (ru) Каменный уголь		2 197
4	French (fr) Houille		2 115
5	Polish (pl) Węgiel kamienny		1 470
6	Japanese (ja) 歴青炭		649
7	Spanish (es) Hulla		555
8	Swedish (sv) Stenkol		548
9	Czech (cs) Černé uhlí		410
10	Portuguese (pt) Hulha		241

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

#	Language	AI award	Relative AI
1	German (de) Steinkohle		290
2	French (fr) Houille		193
3	English (en) Bituminous coal		190
4	Polish (pl) Węgiel kamienny		150
5	Czech (cs) Černé uhlí		66
6	Spanish (es) Hulla		58
7	Swedish (sv) Stenkol		58
8	Ukrainian (uk) Кам'яне вугілля		38
9	Portuguese (pt) Hulha		36
10	Russian (ru) Каменный уголь		30

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	Swedish (sv) Stenkol		2
2	Arabic (ar) فحم قاري		1
3	German (de) Steinkohle		1
4	Chinese (zh) 烟煤		1
5	Azerbaijani (az) Daş kömür		0
6	Belarusian (be) Каменны вугаль		0
7	Bulgarian (bg) Черни въглища		0
8	Catalan (ca) Hulla		0
9	Czech (cs) Černé uhlí		0
10	Danish (da) Stenkul		0

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

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 Catalan Wikipedia the most popular articles on that day were: República Democràtica del Congo, Rafael Yuste i Abel, Juan Fernández Benítez, Pere Casacuberta Camps, Rudi García, Marcel Lefebvre, Michael Olise, Marta Montaner Santomà, Vito Quiles, Fèlix el gat.

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