context 5 means Text
The user is reading a mainly textual document, such as a web page, eBook, or news article.
When to send it
Send 5 when the main content is text: an article, a blog post, an eBook, or a reading app. Most display and outstream inventory on publisher websites sits in a text context.
Buyers combine 5 with category and keyword data for contextual targeting. It is confused with 1 when a page embeds a video player; unless the video is the reason for the visit, the context is still text. That matches the plcmt rules, which put players among text in Video.plcmt 2.
Example
{
"app": {
"content": {
"context": 5
}
}
}Fields that carry it
Other values in content contexts
The content contexts list page explains the whole list and its common mistakes.