Abstract: A method and a system for structured searches of information via key-objects are disclosed herein. Key-objects may be used to describe certain features or parameters of content within webpages in a structured fashion, may be linked or embedded into respective webpages, and may be subsequently collected and stored by search engines enabling the structured searches. A thesaurus of key-objects may be updated with new key-objects discovered by search engines. Methods described herein may be used for structured searches of merchandise or services in e-commerce or mobile e-commerce thereby facilitating the location and comparison of merchandise by product specifications in lieu of keywords needed to get to the product specifications.