Abstract
During this period in history, the advancement of technology is developing at a fast pace, and it is becoming more important to every normal person. In particular, the smart phone, which is quickly becoming one of the most frequently used gadgets in ordinary life, is no longer considered a luxury commodity. Because of the COVID-19 epidemic, students are not required to utilise textbooks while studying. Beyond textbooks, there are numerous other media that may be used to advance an individual's education and development. The purpose of this research study is to investigate the effect of social media, namely Blogs, on the vocabulary acquisition of ESL students. A questionnaire was adopted for data collection from 60 people from different universities, and the results were analysed using a descriptive method. Following the responses given by the respondents, it was noticed that a lot of ESL learners believed that using Blogs to improve vocabulary development is beneficial since it raises the degree of involvement in studying. The current research investigates the use of social constructivist theory in the teaching of ESL learners. The purpose of this study report is to demonstrate the statistically significant impact of the use of Blogs on the growth of learners' vocabulary. Finally, the article concluded that, in light of the descriptive study, the social constructivist method is very significant in English language learning, particularly in vocabulary development. The following objectives were established for the study through Descriptive Method of Social Constructivist Theory of Learning Vocabulary:•To explore the relationship between the use of Blogs and an interest in ESL learners' vocabulary knowledge.•To identify the effect of Blogs on the development of English vocabulary among ESL learners by using social constructivist theory.•To examine the effect of using Blogs on students' capacity to improve their vocabulary usage.