Cost of Revenue (exclusive of depreciation and amortization shown below)
Cost of revenue decreased by $0.1 million, or less than 1%, from $26.2 million in the three months ended June 30, 2023 to $26.1 million in the three months ended June 30, 2024. The decrease was primarily due to savings from eliminating duplicative costs as the Company migrated to cloud services for better scale and flexibility, along with efficiencies gained from DV’s AI-powered video classification technology, partially offset by growth in Activation revenue which drove increases in partner costs from revenue-sharing arrangements. Cost of revenue increased by $2.6 million, or 5%, from $50.1 million in the six months ended June 30, 2023 to $52.7 million in the six months ended June 30, 2024. The increase was primarily due to continued investments in cloud services to provide scale and flexibility necessary to support future growth, as well as growth in Activation revenue which drove increases in partner costs from revenue-sharing arrangements.
Product Development Expenses
Product development expenses increased by $7.9 million, or 25%, from $31.9 million in the three months ended June 30, 2023 to $39.8 million in the three months ended June 30, 2024. The increase was primarily due to an increase in personnel costs, including stock-based compensation, of $6.6 million, and an increase in third-party software costs and professional fees of $1.6 million primarily to support product development efforts. Product development expenses increased by $15.7 million, or 26%, from $60.5 million in the six months ended June 30, 2023 to $76.2 million in the six months ended June 30, 2024. The increase was primarily due to an increase in personnel costs, including stock-based compensation, of $12.9 million, and an increase in third-party software costs and professional fees of $2.8 million primarily to support product development efforts.
Sales, Marketing and Customer Support Expenses
Sales, marketing and customer support expenses increased by $13.3 million, or 42%, from $31.5 million in the three months ended June 30, 2023 to $44.9 million in the three months ended June 30, 2024. The increase was primarily due to an increase in personnel costs, including stock-based compensation and sales commissions, of $9.9 million, an increase in marketing activities, including advertising, promotions, events and other activities of $0.7 million, and an increase in personnel travel and entertainment expenses to support marketing and sales activities of $1.3 million. Sales, marketing and customer support expenses increased by $25.5 million, or 45%, from $57.2 million in the six months ended June 30, 2023 to $82.7 million in the six months ended June 30, 2024. The increase was primarily due to an increase in personnel costs, including stock-based compensation and sales commissions, of $19.6 million, an increase in marketing activities, including advertising, promotions, events and other activities of $1.0 million, and an increase in personnel travel and entertainment expenses to support marketing and sales activities of $2.1 million.
General and Administrative Expenses
General and administrative expenses increased by $3.3 million, or 17%, from $19.8 million in the three months ended June 30, 2023 to $23.1 million in the three months ended June 30, 2024. The increase was primarily due to an increase in personnel costs, including stock-based compensation, of $3.7 million, partially offset by a reduction in general corporate insurance costs of $0.3 million. General and administrative expenses increased by $5.2 million, or 13%, from $39.9 million in the six months ended June 30, 2023 to $45.1 million in the six months ended June 30, 2024. The increase was primarily due to an increase in personnel costs, including stock-based compensation, of $6.4 million, partially offset by a reduction in general corporate insurance costs of $0.9 million.
Depreciation and Amortization
Depreciation and amortization increased by $1.3 million, or 14%, from $9.7 million in the three months ended June 30, 2023, to $11.0 million in the three months ended June 30, 2024. The increase was primarily due to an increase in intangible assets related to the acquisition of Scibids. Depreciation and amortization increased by $3.3 million, or 18%, from $18.7 million in the six months ended June 30, 2023, to $21.9 million in the six months ended June 30, 2024. The increase was primarily due to an increase in intangible assets related to the acquisition of Scibids.