In view of the economic growth expected from Internet industry, the business performance within the Internet industry in Indonesia needs boosting. This study was aimed to analyze the influence of Marketing Capability and Differentiation Strategy for business performance within the Internet industry in Indonesia. This study used a sample of 128 Internet Service Providers (ISPs) with a sampling technique via a web survey. The collected data were analyzed using partial least squares path modeling. Software XLSTAT 2017 was utilized to estimate the model. The analysis showed that variables such as capabilities and business strategies have a significant positive impact on business performance; while differentiation strategy provides a greater influence.