Short tail in SEO / SEA refers to a type of keyword or search query that is short and concise, typically consisting of one to three words. These keywords are often broad and general in nature, targeting a larger audience and generating a higher search volume. Short tail keywords are commonly used in search engine optimization (SEO) and search engine advertising (SEA) strategies to increase website traffic and visibility. While they may attract a larger number of clicks, short tail keywords can also be highly competitive and may require a larger budget to achieve a high ranking in search results.