Landing is a one page site, which main task is to motivate users to buy. It is very convenient to monitor the contextual advertising effectiveness using landing pages "tailored" to a particular product or service.
Landings appeared quite a long time ago, but the companies began to use them most actively only in the last 3-4 years. The basis of search engine algorithms, and then SEO-optimizers ("grinders") of sites for specific topics and queries were formed by the behavioral factors of site visitors. After some time, this resulted in a movement called "landing". See more...