Extent to which a com­pa­ny’s online por­tal or plat­form for its part­ners or affil­i­ates is effec­tive in achiev­ing its intend­ed goals and objec­tives. This can be mea­sured through met­rics such as the num­ber of vis­its, the time spent on the por­tal, and the lev­el of engage­ment with the con­tent or resources provided.