A server, comprising: one or more processors configured to: receive an information acquisition request from a client device, wherein the information acquisition request includes a user identifier; determine the user identifier included in the information acquisition request; determine one or more historical information sent times and one or more historical sent information quantities corresponding to the user identifier from stored historical records; determine a reading speed corresponding to the user identifier based at least in part on the one or more historical information sent times and the one or more historical sent information quantities corresponding to the user identifier; determine a quantity of requested information to be sent to the client device based at least in part on the reading speed corresponding to the user identifier; determine that the quantity of requested information includes a piece of multimedia data; receive at least one of hardware information, a network performance weight, and network access mode information from the client device; determine a quality rating associated with the piece of multimedia data based at least in part on at least one of the hardware information, the network performance weight, and the network access mode information; select a version of the piece of multimedia data corresponding to the determined quality rating from a stored plurality of versions of the piece of multimedia data; and send the quantity of requested information to the client device, wherein the quantity of requested information includes the selected version of the piece of multimedia data; and one or more memories coupled to the one or more processors and configured to provide instructions to the one or more processors. one or more processors configured to: receive an information acquisition request from a client device, wherein the information acquisition request includes a user identifier; determine the user identifier included in the information acquisition request; determine one or more historical information sent times and one or more historical sent information quantities corresponding to the user identifier from stored historical records; determine a reading speed corresponding to the user identifier based at least in part on the one or more historical information sent times and the one or more historical sent information quantities corresponding to the user identifier; determine a quantity of requested information to be sent to the client device based at least in part on the reading speed corresponding to the user identifier; determine that the quantity of requested information includes a piece of multimedia data; receive at least one of hardware information, a network performance weight, and network access mode information from the client device; determine a quality rating associated with the piece of multimedia data based at least in part on at least one of the hardware information, the network performance weight, and the network access mode information; select a version of the piece of multimedia data corresponding to the determined quality rating from a stored plurality of versions of the piece of multimedia data; and send the quantity of requested information to the client device, wherein the quantity of requested information includes the selected version of the piece of multimedia data; and receive an information acquisition request from a client device, wherein the information acquisition request includes a user identifier; determine the user identifier included in the information acquisition request; determine one or more historical information sent times and one or more historical sent information quantities corresponding to the user identifier from stored historical records; determine a reading speed corresponding to the user identifier based at least in part on the one or more historical information sent times and the one or more historical sent information quantities corresponding to the user identifier; determine a quantity of requested information to be sent to the client device based at least in part on the reading speed corresponding to the user identifier; determine that the quantity of requested information includes a piece of multimedia data; receive at least one of hardware information, a network performance weight, and network access mode information from the client device; determine a quality rating associated with the piece of multimedia data based at least in part on at least one of the hardware information, the network performance weight, and the network access mode information; select a version of the piece of multimedia data corresponding to the determined quality rating from a stored plurality of versions of the piece of multimedia data; and send the quantity of requested information to the client device, wherein the quantity of requested information includes the selected version of the piece of multimedia data; and one or more memories coupled to the one or more processors and configured to provide instructions to the one or more processors.