It’s always good to see Public Goods project like DefiLlama apply for Governance Fund on OP. By the way, I believe that the phase might be phase 1 instead according to the detail here.
Project Name: DefiLlama
Author Name: 0xngmi
Defillama TVL (at snapshot): 0 (not a protocol)
Transactions/day (at snapshot): 0 (not a protocol)
For metric-wise, as DefiLlama is not a protocol, but provide values to OP ecosystem in certain angle, I believe that it may be beneficial for voters to see relevant metrics that DefiLlama occasionally monitors.
Relevant Usage Metrics: (TVL, transactions, volume, unique addresses, etc.)
You can refer to this phase 1 proposal template.