Exhaust fan shutters - air outlet that opens when air passes in one direction, but is closes by gravity when not in use and thus prevents air from passing the opposite way. Article “Serranda a gravità” in Italian Wikipedia has 7.4 points for quality (as of July 1, 2025). The article contains 0 references and 6 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 0.39 points.
Since the creation of article “Serranda a gravità”, its content was written by 4 registered users of Italian Wikipedia and edited by 4 registered Wikipedia users in all languages.
The article is cited 4 times in Italian 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, 2025 (including revision history and pageviews for previous years).
| Best Rank | Italian: #317148 07.2015 |
Global: #4081490 07.2015 |
| Best Rank | Italian: #11335 10.2024 |
Global: #480347 10.2024 |
On 21 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Alysa Liu, Eric Dane, 2026 Winter Olympics, Rebecca Gayheart, Johannes Høsflot Klæbo, Wuthering Heights, amyotrophic lateral sclerosis, Andrew Mountbatten-Windsor, John F. Kennedy Jr..
In Italian Wikipedia the most popular articles on that day were: Matilde Lorenzi, Federico Tomasoni, Carolina Kostner, Festival di Sanremo 2026, Eric Dane, Quel pomeriggio di un giorno da cani, Andrea Pignataro, Simone Deromedis, Jeffrey Epstein, Dorothea Wierer.
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
$$Quality=1/c∑↙{i=1}↖c nm_i-RS=1/5(2.33+0+10.53+26.09+0)-0.39$$
where:
The results of the calculations may be slightly different because of rounded values of normalized metrics in formulas
