FR-4

fr

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FR-4

Quality:

FR-4 - fiberglass reinforced epoxy laminate that is Flame Retardant (self extinguishing). Article “FR-4” in French Wikipedia has 13 points for quality (as of July 1, 2025). The article contains 2 references and 2 sections.

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

Since the creation of article “FR-4”, its content was written by 19 registered users of French Wikipedia and edited by 153 registered Wikipedia users in all languages.

The article is cited 12 times in French Wikipedia and cited 97 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (French): #22976 in November 2008
  • Global: #34882 in October 2010

The highest popularity rank from 2008:

  • Local (French): #110193 in March 2015
  • Global: #72313 in April 2015

There are 10 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1German (de)
FR-4
23.1636
2Swedish (sv)
FR-4
22.5697
3Chinese (zh)
FR-4
21.7046
4English (en)
FR-4
21.1945
5Catalan (ca)
FR-4
20.2601
6Japanese (ja)
FR4
19.5911
7French (fr)
FR-4
12.9596
8Polish (pl)
FR-4
3.076
9Italian (it)
FR4 (materiale)
2.0865
10Dutch (nl)
FR-4
0.8737
More...

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

Most popular in all the time

The most popular language versions of the article "FR-4" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
FR-4
2 244 966
2Japanese (ja)
FR4
257 476
3German (de)
FR-4
192 599
4French (fr)
FR-4
107 840
5Polish (pl)
FR-4
66 110
6Italian (it)
FR4 (materiale)
39 676
7Chinese (zh)
FR-4
20 064
8Dutch (nl)
FR-4
14 199
9Swedish (sv)
FR-4
7 861
10Catalan (ca)
FR-4
1 377
More...

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

Most popular in June 2025

The most popular language versions of the article "FR-4" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
FR-4
4 847
2German (de)
FR-4
529
3Chinese (zh)
FR-4
512
4Japanese (ja)
FR4
305
5French (fr)
FR-4
296
6Italian (it)
FR4 (materiale)
177
7Polish (pl)
FR-4
110
8Dutch (nl)
FR-4
27
9Swedish (sv)
FR-4
23
10Catalan (ca)
FR-4
15
More...

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

The highest AI

Language versions of the article "FR-4" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
FR-4
83
2French (fr)
FR-4
19
3Polish (pl)
FR-4
11
4German (de)
FR-4
9
5Dutch (nl)
FR-4
8
6Italian (it)
FR4 (materiale)
6
7Swedish (sv)
FR-4
6
8Japanese (ja)
FR4
5
9Catalan (ca)
FR-4
3
10Chinese (zh)
FR-4
3
More...

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

The highest AI in June 2025

Language versions of the article "FR-4" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Catalan (ca)
FR-4
0
2German (de)
FR-4
0
3English (en)
FR-4
0
4French (fr)
FR-4
0
5Italian (it)
FR4 (materiale)
0
6Japanese (ja)
FR4
0
7Dutch (nl)
FR-4
0
8Polish (pl)
FR-4
0
9Swedish (sv)
FR-4
0
10Chinese (zh)
FR-4
0
More...

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

The highest CI

Language versions of the article "FR-4" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
FR-4
41
2French (fr)
FR-4
12
3German (de)
FR-4
10
4Japanese (ja)
FR4
10
5Catalan (ca)
FR-4
8
6Polish (pl)
FR-4
7
7Italian (it)
FR4 (materiale)
5
8Chinese (zh)
FR-4
3
9Dutch (nl)
FR-4
1
10Swedish (sv)
FR-4
0
More...

Scores

Estimated value for Wikipedia:
French:
Global:
Popularity in June 2025:
French:
Global:
Popularity in all years:
French:
Global:
Authors in June 2025:
French:
Global:
Registered authors in all years:
French:
Global:
Citations:
French:
Global:

Quality measures

Interwikis

#LanguageValue
caCatalan
FR-4
deGerman
FR-4
enEnglish
FR-4
frFrench
FR-4
itItalian
FR4 (materiale)
jaJapanese
FR4
nlDutch
FR-4
plPolish
FR-4
svSwedish
FR-4
zhChinese
FR-4

Popularity rank trends

Best Rank French:
#110193
03.2015
Global:
#72313
04.2015

AI rank trends

Best Rank French:
#22976
11.2008
Global:
#34882
10.2010

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on FR-4 from Wikipedia articles about Printed circuit board, G10, Phenol formaldehyde resin, Micarta and Pertinax. Whereas reading the article about FR-4 people most often go to Wikipedia articles on G10, Printed circuit board, Pertinax, National Electrical Manufacturers Association and Epoxy resins.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

en: FR-4
ja: FR4
de: FR-4
fr: FR-4
pl: FR-4
zh: FR-4
nl: FR-4
sv: FR-4
ca: FR-4

News from 28 January 2026

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In French Wikipedia the most popular articles on that day were: Le Dernier Duel, Jean de Carrouges, Charlotte Casiraghi, Uini Atonio, Le Fabuleux Destin d'Amélie Poulain, Michel-Ange, Ligue des champions de l'UEFA 2025-2026, Melody Gardot, Arno Klarsfeld, Soudan du Sud.

About WikiRank

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