A portable radiographic imaging apparatus comprising: a radiation detector including a substrate where radiation detection elements are arranged two-dimensionally, the radiation detection elements generating amounts of electric charges corresponding to doses of radiation by being irradiated with the doses of the radiation; a reader that reads the amounts of the electric charges generated by the respective radiation detection elements as signal values, and generates image data based on the signal values; a first communication unit (21, 24) that communicates with a portable terminal having a web browser; and a content generation unit that generates web content displayable on the web browser in response to a request from the portable terminal, wherein the web content includes a process program executable on the web browser, wherein the process program includes a process of performing image correction on the image data; the radiographic imaging apparatus further comprises: an image data storage for storing image data generated by the reader, the stored image data being associated with a taken image; wherein the web content of the taken image is generated based on stored image data for the taken image; and wherein the first communication unit (21, 24) sends at least one of the web content of the taken image and the image data to the portable terminal in response to the request from the portable terminal. a radiation detector including a substrate where radiation detection elements are arranged two-dimensionally, the radiation detection elements generating amounts of electric charges corresponding to doses of radiation by being irradiated with the doses of the radiation; a reader that reads the amounts of the electric charges generated by the respective radiation detection elements as signal values, and generates image data based on the signal values; a first communication unit (21, 24) that communicates with a portable terminal having a web browser; and a content generation unit that generates web content displayable on the web browser in response to a request from the portable terminal, wherein the web content includes a process program executable on the web browser, wherein the process program includes a process of performing image correction on the image data; the radiographic imaging apparatus further comprises: an image data storage for storing image data generated by the reader, the stored image data being associated with a taken image; wherein the web content of the taken image is generated based on stored image data for the taken image; and wherein the first communication unit (21, 24) sends at least one of the web content of the taken image and the image data to the portable terminal in response to the request from the portable terminal. an image data storage for storing image data generated by the reader, the stored image data being associated with a taken image; wherein the web content of the taken image is generated based on stored image data for the taken image; and wherein the first communication unit (21, 24) sends at least one of the web content of the taken image and the image data to the portable terminal in response to the request from the portable terminal.