The impact factor (IF) is a measure of the frequency with which the average article in a journal has been cited in a particular year. The impact factor (IF) is a measure of the frequency with which the average article in a journal has been cited in a particular year. See the boxes on the right for some examples of these measures.

Articles metrics use diverse sources in estimating impact of an article. It is used to measure the importance or rank of a journal by calculating the times it's articles are cited. Articles metrics (or) Articles impact factor could prove to be a better measure rather than existing journal impact factor, as these metrics measure individual article than combined journal. The Impact Factor, as calculated by Clarivate Analytics, is a measure of the average number … Altmetrics is the term used to denote the social-media-based, article-level metrics. It is used to measure the importance or rank of a journal by calculating the times it's articles are cited.

Article level metrics are an evolving area. It is calculated based on “Open data available online”. Measures include the number of citations in social media sites, as well as open peer or crowd-based recommendations or reviews.