A cache server receives a request from a client that includes a requesting entity tag. In turn, the cache server extracts a starting identifier and an ending identifier from the requesting entity tag. The starting identifier is associated with a starting entry and the ending identifier is associated with an ending entry. Next, the cache server determines whether a subsequent entity tag exists that includes a subsequent starting identifier that matches the requesting entity tag's ending identifier. When the cache server identifies a subsequent entity tag, the cache server sends the subsequent entity tag and one or more update entries corresponding to the subsequent entity tag to the client.