KPIs & Operating Metrics(New)

Annual Revenue Retention Rate (Arr) %Annual Revenue Retention Rate (“Arr”) New Methodology Annual %Annual Revenue Retention Rate (“Arr”) Prior Methodology Annual %Average Enterprise Customer Spend New Methodology Average Enterprise Customer Spend New Methodology Annual Average Enterprise Customer Spend Prior Methodology Average Enterprise Customer Spend Prior Methodology Annual Average Revenue Per Customer New Methodology Average Revenue Per Customer New Methodology Annual Average Revenue Per Customer Prior Methodology Average Revenue Per Customer Prior Methodology Annual Breakdown Of Assets Cost Of Revenue Costs And Expenses Annual Costs And Expenses As % Of Revenue Annual %Customer Adds New Methodology Customer Adds New Methodology Annual Customer Adds Prior Methodology Customer Adds Prior Methodology Annual Customer Mix New Methodology %Customer Mix New Methodology Annual %Customer Mix Prior Methodology %Customer Mix Prior Methodology Annual %Customers Breakdown New Methodology Customers Breakdown New Methodology Annual Customers Breakdown Prior Methodology Customers Breakdown Prior Methodology Annual Deferred Revenue Dollar Based Net Expansion Rate (“Dbner”) %Dollar Based Net Expansion Rate (“Dbner”) Annual %Employee Statistics Enterprise Customers New Methodology Enterprise Customers New Methodology Annual Enterprise Customers Prior Methodology Enterprise Customers Prior Methodology Annual Global Network Capacity (Tb/ Sec)Gross Margin %Gross Margin Annual %Gross Profit Gross Profit Annual Income (Loss) Before Income Taxes By Region Last Twelve Months Net Retention Rate (“Ltm Nrr”) %Last Twelve Months Net Retention Rate (“Ltm Nrr”) Annual %Long Lived Assets By Region Annual Long Lived Assets Mix By Region Annual %Net Retention Rate (“Nrr”) %Net Retention Rate (“Nrr”) Annual %Non Gaap Profitability Non Gaap Profitability %Non Gaap Profitability Annual Non Gaap Profitability Annual %Operating Expense Segregation Operating Income Annual Operating Income Margin Annual %Opex As A % Of Total Revenue %Property And Equipment, Gross Annual Purchase Commitments Remaining Performance Obligations Remaining Performance Obligations Annual Revenue Revenue Annual Revenue By Customer New Methodology Revenue By Customer New Methodology %Revenue By Customer New Methodology Annual Revenue By Customer New Methodology Annual %Revenue By Customer Prior Methodology Revenue By Customer Prior Methodology %Revenue By Customer Prior Methodology Annual Revenue By Customer Prior Methodology Annual %Revenue By Product Line Revenue By Product Line %Revenue By Product Line Annual Revenue By Product Line Annual %Revenue By Region Revenue By Region %Revenue By Region Annual Revenue By Region Annual %Total Customer Adds New Methodology Total Customer Adds New Methodology Annual Total Customer Adds Prior Methodology Total Number Of Countries Total Number Of Customers New Methodology Total Number Of Customers New Methodology Annual Total Number Of Customers Prior Methodology Total Number Of Customers Prior Methodology Annual Total Number Of Markets

Daily Values

Growth Metrics

Others

Accumulated Depreciation & Amortization Cost of Revenue EBIAT Leases Long-Term Debt Issuances Machine, Furnitures, Fixtures & Other Other Gross PP&E Adjustments Preferred Shares Issued Property, Plant & Equipment (Gross)Receivables - Net Receivables - Other Shares Issued

Fastly (FSLY) Cost Of Revenue (2018 - 2025)

Fastly (FSLY) has disclosed Cost of Revenue for 8 consecutive years, with $117.4 million as the latest value for Q4 2025.

Quarterly Cost of Revenue rose 134.57% to $117.4 million in Q4 2025 from the year-ago period, while the trailing twelve-month figure was $284.3 million through Dec 2025, up 38.61% year-over-year, with the annual reading at $267.8 million for FY2025, 34.84% up from the prior year.
Cost of Revenue for Q4 2025 was $117.4 million at Fastly, up from $50.0 million in the prior quarter.
The five-year high for Cost of Revenue was $117.4 million in Q4 2025, with the low at $34.9 million in Q1 2021.
Average Cost of Revenue over 5 years is $57.6 million, with a median of $50.0 million recorded in 2024.
The sharpest move saw Cost of Revenue tumbled 48.16% in 2024, then surged 134.57% in 2025.
Over 5 years, Cost of Revenue stood at $47.9 million in 2021, then soared by 82.92% to $87.7 million in 2022, then rose by 10.09% to $96.5 million in 2023, then crashed by 48.16% to $50.0 million in 2024, then soared by 134.57% to $117.4 million in 2025.
According to Business Quant data, Cost of Revenue over the past three periods came in at $117.4 million, $50.0 million, and $67.6 million for Q4 2025, Q3 2025, and Q2 2025 respectively.