This is the 3498th most frequent Russian word.
размещено
"Размещено" means "placed" or "posted."
Here, 'размещено' is used as a neutral participle indicating the placement of an advertisement on a webpage.
Объявление размещено на сайте.
The advertisement is posted on the website.
In this context, 'размещено' indicates the placement of a physical object (a painting) in a specific location (the wall).
Картина была размещена на стене для выставки.
The painting was placed on the wall for the exhibition.
Here, 'размещено' relates to publishing or sharing information in a publication like a newspaper.