The invention discloses a method for assessing browsing quality. The method includes the steps that a page, to be detected, of a third party station is obtained, and the page to be detected is analyzed so that a first original characteristic set can be obtained; code transforming is performed on the page to be detected so that a page to be detected after the code transforming can be generated, and a structural characteristic set of the page to be detected is obtained; the page to be detected after the code transforming is analyzed so that a second original characteristic set can be obtained; according to a preset combined rule, the first original characteristic set, the second original characteristic set and the structural characteristic set are combined to generate a combined characteristic set; according to a preset assessment model and the combined characteristic set, the quality of the page to be detected is assessed. The method can be used for assessing the layout quality, content completeness, presentation speed and the like of the page, so that an instruction is provided for a user to get access to the page, and the experience degree of user access can be improved more easily. The invention further discloses a system for assessing the browsing quality.