2. The computer system of claim 1 , wherein the one or more instructions, when executed by the one or more hardware processors, cause the one or more hardware processors to: determine that the set of information indicates that that one or more objects, associated with the browser, are present in the document object model; wherein identifying the browser is based on determining that the one or more objects are present in the document object model.
2. The computer system of claim 1 , wherein the one or more instructions, when executed by the one or more hardware processors, cause the one or more hardware processors to: determine that the set of information indicates that that one or more objects, associated with the browser, are present in the document object model; wherein identifying the browser is based on determining that the one or more objects are present in the document object model. 3. The computer system of claim 2 , wherein: the set of instrumentation code causes the client computer to generate a hash of the one or more objects; the set of information comprises the hash; determining the one or more objects are present in the document object model is based on determining that the hash is in the set of information.