Lupek

Fire clay - range of refractory clays used in the manufacture of ceramics. Article “Lupek” in Czech Wikipedia has 14.1 points for quality (as of July 1, 2026). The article contains 1 references and 6 sections.

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

Since the creation of article “Lupek”, its content was written by 11 registered users of Czech Wikipedia and edited by 178 registered Wikipedia users in all languages.

The article is cited 40 times in Czech Wikipedia and cited 439 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Czech): #3617 in February 2018
• Global: #63646 in August 2005

The highest popularity rank from 2008:

• Local (Czech): #11759 in April 2025
• Global: #312190 in April 2015

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, 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) Fire clay		33.7061
2	Japanese (ja) 耐火粘土		29.9471
3	Hebrew (he) אבן שמוט		28.4555
4	Spanish (es) Arcilla refractaria		27.0457
5	Danish (da) Ildfast ler		25.8449
6	Arabic (ar) طين حراري		24.5547
7	Polish (pl) Glinka ogniotrwała		22.3367
8	German (de) Letten (Gestein)		20.166
9	Czech (cs) Lupek		14.0766
10	Ukrainian (uk) Вогнетривкі глини		6.7373

More...

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

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

#	Language	Popularity award	Relative popularity
1	English (en) Fire clay		676 924
2	Czech (cs) Lupek		81 733
3	German (de) Letten (Gestein)		79 000
4	Persian (fa) خاک نسوز		37 281
5	Polish (pl) Glinka ogniotrwała		25 585
6	Spanish (es) Arcilla refractaria		21 697
7	Turkish (tr) Şamot		21 667
8	Japanese (ja) 耐火粘土		12 583
9	Hindi (hi) अग्निसह मिट्टी		10 477
10	Italian (it) Terra refrattaria		10 132

More...

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 "Lupek" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Fire clay		1 422
2	German (de) Letten (Gestein)		324
3	Czech (cs) Lupek		207
4	Japanese (ja) 耐火粘土		140
5	Spanish (es) Arcilla refractaria		90
6	Hebrew (he) אבן שמוט		85
7	Persian (fa) خاک نسوز		74
8	Turkish (tr) Şamot		54
9	Polish (pl) Glinka ogniotrwała		47
10	Italian (it) Terra refrattaria		35

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Fire clay		56
2	German (de) Letten (Gestein)		17
3	Dutch (nl) Vuurklei		13
4	Persian (fa) خاک نسوز		12
5	Turkish (tr) Şamot		12
6	Czech (cs) Lupek		11
7	Arabic (ar) طين حراري		9
8	Hindi (hi) अग्निसह मिट्टी		9
9	Polish (pl) Glinka ogniotrwała		7
10	Ukrainian (uk) Вогнетривкі глини		7

More...

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

Language versions of the article "Lupek" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	English (en) Fire clay		1
2	Arabic (ar) طين حراري		0
3	Azerbaijani (az) Odadavamlı gillər		0
4	Czech (cs) Lupek		0
5	Danish (da) Ildfast ler		0
6	German (de) Letten (Gestein)		0
7	Spanish (es) Arcilla refractaria		0
8	Persian (fa) خاک نسوز		0
9	Hebrew (he) אבן שמוט		0
10	Hindi (hi) अग्निसह मिट्टी		0

More...

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

Language versions of the article "Lupek" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Fire clay		155
2	German (de) Letten (Gestein)		88
3	Ukrainian (uk) Вогнетривкі глини		50
4	Czech (cs) Lupek		40
5	Persian (fa) خاک نسوز		28
6	Spanish (es) Arcilla refractaria		13
7	Italian (it) Terra refrattaria		12
8	Danish (da) Ildfast ler		11
9	Japanese (ja) 耐火粘土		10
10	Arabic (ar) طين حراري		9

More...

#	Language	Value
ar	Arabic طين حراري
az	Azerbaijani Odadavamlı gillər
cs	Czech Lupek
da	Danish Ildfast ler
de	German Letten (Gestein)
en	English Fire clay
es	Spanish Arcilla refractaria
fa	Persian خاک نسوز
he	Hebrew אבן שמוט
hi	Hindi अग्निसह मिट्टी
it	Italian Terra refrattaria
ja	Japanese 耐火粘土
nl	Dutch Vuurklei
pl	Polish Glinka ogniotrwała
tr	Turkish Şamot
uk	Ukrainian Вогнетривкі глини

Best Rank

Czech: #11759 04.2025

Global: #312190 04.2015

Best Rank

Czech: #3617 02.2018

Global: #63646 08.2005

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 Czech Wikipedia the most popular articles on that day were: Simona Monyová, Konžská demokratická republika, Mistrovství světa ve fotbale 2026, Senegal, Boris Ingr, Sára Milfajtová, Barbora Krejčíková, Erling Haaland, Bitva na Sommě, Marko Čermák.

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