1. An analysis apparatus connectable to a terminal capable of displaying web pages by accessing a web server capable of executing a web application, the analysis apparatus comprising: a processor capable of executing a program; a memory capable of storing the program; and an interface capable of controlling communications with the terminal, wherein the processor is configured to perform the following processing of: receiving at least one log concerning the web application stored in the terminal from the terminal via the interface; acquiring a plurality of kinds of use condition feature values based on the log received in the processing of receiving, the plurality of kinds of use condition feature values being information characterizing conditions of use of the web application; analyzing whether a correlation exists between a first kind of use condition feature values and a second kind of use condition feature values in the plurality of kinds of use condition feature values acquired in the processing of acquiring; and outputting an analysis result obtained by the processing of the analyzing.