Embedded content suitability scoring is provided. A plurality of containers of a document is identified. Each container includes a portion of content of the document. A source for a container of the plurality of containers of the document is identified by matching the content of the container to the content of the source. A suitability score for the container is determined based, at least in part, on the content of the container and the content of the source. A suitability category for the container is determined based, at least in part, on the suitability score. The document is presented along with markup of the container that is based, at least in part, on the suitability category.