Methods and systems for a disabled user compliant video player for an end-to-end streaming web video solution affording accessibility for disabled users, including blind users and those with partial or poor vision, colorblind users, deaf users and those limited to only keyboardvoice input. According to the invention, the source network site is arranged to select which connection is used at the source end and which connection is used at the destination end, and base the selections at least partly on the basis of a round trip time value and a packet success rate value. The sign-indicating signal indicates a first sign when a control signal is greater than a predetermined value and indicates a second sign when the control signal is less than the predetermined value. Multiple regression analysis is used to identify those characteristics that affect the relation between prices and profits.