Article “O Caderno Negro” in Portuguese Wikipedia has 19.9 points for quality (as of July 1, 2026). The article contains 4 references and 1 sections.
Since the creation of article “O Caderno Negro”, its content was written by 3 registered users of Portuguese Wikipedia and edited by 3 registered Wikipedia users in all languages.
The article is cited 4 times in Portuguese Wikipedia and cited 4 times in all languages.
The highest Authors Interest rank from 2001:
The highest popularity rank from 2008:
There is 1 language version 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).
| Best Rank | Portuguese: #169026 10.2018 |
Global: #3523341 11.2013 |
| Best Rank | Portuguese: #26667 02.2022 |
Global: #1717052 08.2009 |
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 Portuguese Wikipedia the most popular articles on that day were: Erling Haaland, República Democrática do Congo, Romelu Lukaku, Copa do Mundo FIFA de 2026, Kylian Mbappé, Senegal, Copa do Mundo FIFA, Lista de artilheiros da Copa do Mundo FIFA, Harry Kane, Carlo Ancelotti.
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
$$Quality=1/c∑↙{i=1}↖c nm_i-RS=1/5(3.25+2.58+9.09+6.25+78.35)$$
where:
The results of the calculations may be slightly different because of rounded values of normalized metrics in formulas
