Formaldehyde

Quality:

Formaldehyde - chemical compound. Article “Formaldehyde” in Dutch Wikipedia has 41.1 points for quality (as of July 1, 2026). The article contains 15 references and 11 sections.

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

Achievements in all the time:

Dutch Wikipedia:

nl

The 2276^th most popular in Dutch Wikipedia.

Global Wikipedia:

The 3899^th most popular in all topics.

The 8630^th most popular in AI.

Achievements in the last month:

Dutch Wikipedia:

nl

The 8957^th most popular in Dutch Wikipedia in the last month.

nl

The 3192^nd most editable in Dutch Wikipedia in the last month.

In June 2026 the article “Formaldehyde” was edited by 2 authors in Dutch Wikipedia (3192^nd place) and written by 9 authors in all languages.

Since the creation of article “Formaldehyde”, its content was written by 105 registered users of Dutch Wikipedia and edited by 2766 registered Wikipedia users in all languages (8630^th place).

The article is cited 247 times in Dutch Wikipedia and cited 10573 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Dutch): #165 in March 2016
• Global: #1908 in April 2003

The highest popularity rank from 2008:

• Local (Dutch): #980 in August 2014
• Global: #627 in May 2012

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.

#	Language	Quality grade	Quality score
1	German (de) Formaldehyd		100
2	Thai (th) ฟอร์มาลดีไฮด์		91.4684
3	Serbian (sr) Формалдехид		87.0954
4	Greek (el) Φορμαλδεΰδη		80.741
5	Ukrainian (uk) Формальдегід		78.1049
6	English (en) Formaldehyde		75.7346
7	French (fr) Méthanal		72.8208
8	Chinese (zh) 甲醛		65.4928
9	Malay (ms) Formaldehid		64.8371
10	Catalan (ca) Formaldehid		63.4942

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

#	Language	Popularity award	Relative popularity
1	English (en) Formaldehyde		15 808 845
2	German (de) Formaldehyd		5 114 365
3	Spanish (es) Formaldehído		4 235 215
4	Russian (ru) Формальдегид		4 052 752
5	Japanese (ja) ホルムアルデヒド		3 588 818
6	Italian (it) Formaldeide		2 017 326
7	Chinese (zh) 甲醛		1 868 413
8	French (fr) Méthanal		1 815 287
9	Polish (pl) Aldehyd mrówkowy		1 166 816
10	Portuguese (pt) Formaldeído		1 136 328

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) Formaldehyde		24 997
2	German (de) Formaldehyd		8 086
3	Chinese (zh) 甲醛		5 925
4	Japanese (ja) ホルムアルデヒド		5 523
5	Russian (ru) Формальдегид		4 409
6	Spanish (es) Formaldehído		2 866
7	French (fr) Méthanal		2 525
8	Italian (it) Formaldeide		2 074
9	Dutch (nl) Formaldehyde		1 378
10	Polish (pl) Aldehyd mrówkowy		1 221

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

#	Language	AI award	Relative AI
1	English (en) Formaldehyde		654
2	German (de) Formaldehyd		347
3	French (fr) Méthanal		196
4	Chinese (zh) 甲醛		140
5	Russian (ru) Формальдегид		123
6	Spanish (es) Formaldehído		115
7	Dutch (nl) Formaldehyde		105
8	Italian (it) Formaldeide		96
9	Japanese (ja) ホルムアルデヒド		77
10	Hungarian (hu) Formaldehid		50

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) Formaldehyde		2
2	Ukrainian (uk) Формальдегід		2
3	Greek (el) Φορμαλδεΰδη		1
4	Basque (eu) Formaldehido		1
5	Croatian (hr) Formaldehid		1
6	Japanese (ja) ホルムアルデヒド		1
7	Polish (pl) Aldehyd mrówkowy		1
8	Arabic (ar) ميثانال		0
9	Azerbaijani (az) Formaldehid		0
10	Belarusian (be) Фармальдэгід		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 Dutch Wikipedia the most popular articles on that day were: Hans van Willigenburg (televisiepresentator), Moord op Marianne Vaatstra, Joran van der Sloot, Sean Penn, Maurizio Gucci, Gucci, Patrizia Reggiani, Michael B. Jordan, Maaike Schoon, Silvio Erkens.

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