Lactic acid

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Lactic acid

Quality:

DL-lactic acid - group of stereoisomers. Article “Lactic acid” in Simple English Wikipedia has 0.4 points for quality (as of July 1, 2026).

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

Achievements in all the time:
Global Wikipedia:
The 5865th most popular in all topics.

Since the creation of article “Lactic acid”, its content was written by 13 registered users of Simple English Wikipedia and edited by 2159 registered Wikipedia users in all languages.

The article is cited 32 times in Simple English Wikipedia and cited 8567 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Simple English): #222 in August 2009
  • Global: #1116 in December 2010

The highest popularity rank from 2008:

  • Local (Simple English): #7088 in September 2016
  • Global: #3638 in March 2009

There are 52 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Malay (ms)
Asid laktik
93.3683
2English (en)
Lactic acid
83.7235
3German (de)
Milchsäure
73.6321
4Catalan (ca)
Àcid làctic
63.4495
5Korean (ko)
락트산
58.8685
6Slovenian (sl)
Mlečna kislina
55.863
7Russian (ru)
Молочная кислота
46.0549
8Greek (el)
Γαλακτικό οξύ
42.9392
9French (fr)
Acide lactique
40.4145
10Serbian (sr)
Млечна киселина
39.708
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 "Lactic acid" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Lactic acid
12 852 015
2Spanish (es)
Ácido láctico
5 830 636
3German (de)
Milchsäure
2 809 779
4Russian (ru)
Молочная кислота
2 248 495
5French (fr)
Acide lactique
2 238 749
6Japanese (ja)
乳酸
1 992 661
7Italian (it)
Acido lattico
1 531 624
8Polish (pl)
Kwas mlekowy
1 443 447
9Portuguese (pt)
Ácido láctico
1 324 351
10Dutch (nl)
Melkzuur
691 702
More...

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

Most popular in June 2026

The most popular language versions of the article "Lactic acid" in June 2026
#LanguagePopularity awardRelative popularity
1English (en)
Lactic acid
15 364
2German (de)
Milchsäure
4 970
3Russian (ru)
Молочная кислота
3 309
4Japanese (ja)
乳酸
2 993
5French (fr)
Acide lactique
2 502
6Spanish (es)
Ácido láctico
2 309
7Polish (pl)
Kwas mlekowy
1 395
8Chinese (zh)
乳酸
1 234
9Italian (it)
Acido lattico
1 156
10Persian (fa)
اسید لاکتیک
836
More...

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

The highest AI

Language versions of the article "Lactic acid" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Lactic acid
483
2German (de)
Milchsäure
237
3Spanish (es)
Ácido láctico
134
4French (fr)
Acide lactique
133
5Dutch (nl)
Melkzuur
94
6Italian (it)
Acido lattico
90
7Russian (ru)
Молочная кислота
80
8Polish (pl)
Kwas mlekowy
62
9Japanese (ja)
乳酸
51
10Danish (da)
Mælkesyre
46
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 2026

Language versions of the article "Lactic acid" with the highest AI in June 2026
#LanguageAI awardRelative AI
1English (en)
Lactic acid
5
2Catalan (ca)
Àcid làctic
1
3Basque (eu)
Azido laktiko
1
4Finnish (fi)
Maitohappo
1
5French (fr)
Acide lactique
1
6Hungarian (hu)
Tejsav
1
7Japanese (ja)
乳酸
1
8Polish (pl)
Kwas mlekowy
1
9Slovenian (sl)
Mlečna kislina
1
10Arabic (ar)
حمض اللبنيك
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 "Lactic acid" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Lactic acid
1 127
2Italian (it)
Acido lattico
731
3German (de)
Milchsäure
418
4Japanese (ja)
乳酸
414
5French (fr)
Acide lactique
403
6Arabic (ar)
حمض اللبنيك
354
7Spanish (es)
Ácido láctico
312
8Russian (ru)
Молочная кислота
305
9Polish (pl)
Kwas mlekowy
304
10Chinese (zh)
乳酸
268
More...

Scores

Estimated value for Wikipedia:
Simple English:
Global:
Popularity in June 2026:
Simple English:
Global:
Popularity in all years:
Simple English:
Global:
Authors in June 2026:
Simple English:
Global:
Registered authors in all years:
Simple English:
Global:
Citations:
Simple English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
حمض اللبنيك
beBelarusian
Малочная кіслата
bgBulgarian
Млечна киселина
caCatalan
Àcid làctic
csCzech
Kyselina mléčná
daDanish
Mælkesyre
deGerman
Milchsäure
elGreek
Γαλακτικό οξύ
enEnglish
Lactic acid
eoEsperanto
Laktata acido
esSpanish
Ácido láctico
etEstonian
Piimhape
euBasque
Azido laktiko
faPersian
اسید لاکتیک
fiFinnish
Maitohappo
frFrench
Acide lactique
glGalician
Ácido láctico
heHebrew
חומצה לקטית
hiHindi
लैक्टिक अम्ल
hrCroatian
Mliječna kiselina
huHungarian
Tejsav
hyArmenian
Կաթնաթթու
idIndonesian
Asam laktat
itItalian
Acido lattico
jaJapanese
乳酸
kaGeorgian
რძემჟავა
kkKazakh
Сүт қышқылы
koKorean
락트산
laLatin
Acidum lacticum
ltLithuanian
Pieno rūgštis
msMalay
Asid laktik
nlDutch
Melkzuur
nnNorwegian (Nynorsk)
Mjølkesyre
noNorwegian
Melkesyre
plPolish
Kwas mlekowy
ptPortuguese
Ácido láctico
roRomanian
Acid lactic
ruRussian
Молочная кислота
shSerbo-Croatian
Mliječna kiselina
simpleSimple English
Lactic acid
skSlovak
Kyselina mliečna
slSlovenian
Mlečna kislina
srSerbian
Млечна киселина
svSwedish
Mjölksyra
taTamil
லாக்டிக் அமிலம்
thThai
กรดแล็กติก
trTurkish
Laktik asit
ukUkrainian
Молочна кислота
urUrdu
لیکٹک ایسڈ
uzUzbek
Sut kislota
viVietnamese
Acid lactic
zhChinese
乳酸

Popularity rank trends

Best Rank Simple English:
#7088
09.2016
Global:
#3638
03.2009

AI rank trends

Best Rank Simple English:
#222
08.2009
Global:
#1116
12.2010

Local popularity rank history

Global popularity rank history

Local AI rank history

Global AI rank history

Languages comparison

Important global interconnections (July 2025 – June 2026)

Wikipedia readers most often find their way to information on DL-lactic acid from Wikipedia articles about Polylactic acid, Lactic acid fermentation, Lactic acid bacteria, Lactate and Pyruvic acid. Whereas reading the article about DL-lactic acid people most often go to Wikipedia articles on Lactic acid fermentation, Pyruvic acid, Miscibility, Polylactic acid and Lactic acidosis.

Cumulative results of quality and popularity of the Wikipedia article

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

ja: 乳酸
zh: 乳酸
hu: Tejsav
simple: Lactic acid

News from 1 July 2026

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 Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, List of sex positions, 2026 Iran war, Suresh Raina, Politics of Germany, Academy Award for Best Director, 2020, DYSS-TV, 2022.

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 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