This is the 12240th most frequent Russian word.
информационного
"Информационного" means "informational" or "of information."
The word "информационного" here is used as an adjective modifying "продвижения" (promotion), specifying its type as related to information dissemination.
Этот проект является частью информационного продвижения нашей компании.
This project is part of the informational promotion of our company.
The word "информационного" is describing "характера" (nature), indicating that the character of these articles is informational.
Мы изучили несколько информационного характера статей.
We studied several articles of an informational nature.
Here, "информационного" is used to classify the type of screen as informational, modifying "типов" (types).