The /blocks page will display all synchronized blocks, with basic details such as mining timestamp or the number of transactions.
Block numbers link to the block details page
If a block is mined but the CLI is not listening, the block won't appear here.
Details
Each block has its own page, with the URL following the pattern /block/${blockNumber}.
Transactions contained in this block are all displayed.
If a transaction is a contract call and artifacts have been uploaded, clicking on it will decode the data.
You'll be able to see:
Function call signature with the parameters
Emitted events
Watched variables data
The watched variables data will be the one watched for the contract called in the transaction.