Three reuse indicators for KB images in Wikipedia and Wikimedia Commons, in a historical perspective (2013-2022) - Wikipedia is a very effective channel to globally improve the findability, visibility and reusability of images from the heritage collections of KB , the national library of the Netherlands . In this article I will illustrate this, based on three reuse indicators (KPIs) that I measured in December 2022. I will also show that during the period 2013-2022 our image collections have reached ever-increasing global audiences. More detailed analyses and all underlying data used for this article can be found on the project pages of the KB on the Dutch Wikipedia: KPI 2: The number of KB images on Wikimedia Commons KPI 4: The number of unique Wikipedia articles using those images KPI 8: The number of requests for those Wikipedia articles per month See also the 2023 update (added 24 Jan 2024) ; Key Takeaway The key takeaway from this article is that Wikipedia has been an effective platform for improving the findability, visibility, and reusability of images from the heritage collections of KB, the national library of the Netherlands. The article discusses three reuse indicators (KPIs) measured in December 2022 to illustrate this effectiveness. Summary The article discusses the effectiveness of Wikipedia in enhancing the findability, visibility, and reusability of images from KB's heritage collections. The author, Olaf Janssen, presents three key reuse indicators (KPIs) that were measured in December 2022 to evaluate the impact of KB images on Wikipedia and Wikimedia Commons. The article covers the period from 2013 to 2022, showing how KB's image collections have progressively reached a global audience. The three KPIs mentioned in the article are: 1. KPI 2: The number of KB images on Wikimedia Commons. 2. KPI 4: The number of unique Wikipedia articles using those KB images. 3. KPI 8: The number of requests per month for Wikipedia articles containing those KB images. The article provides more detailed analyses ...