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This study was conducted to find out the extent of the effect of using web-based learning in improving the interactional speaking skills of grade XI students at SMKN 3 Bulukumba. This research focuses mainly on Peppa Pig videos available on the YouTube platform. The research explores the impact of using this content on five important components in assessing speaking skills: pronunciation, grammar, vocabulary, fluency, and comprehension. The research method used in this research is quantitative, with a pre-experiment design, namely one group pretest-posttest design, with a total sample of 15 students from class XI TKJ at SMKN 3 Bulukumba. The findings revealed that, according to the research data, the XI TKJ students at SMKN 3 Bulukumba had an average pre-test score of 11.33, which was considered to be in the fair range. However, after undergoing the treatment, their average post-test score improved to 16.20, placing it in the good range. This improvement is confirmed by the one-sample t-test results, where the significance value (2-tailed) of 0.000 is less than 0.05, indicating a positive effect on the students' interactional speaking skills. Furthermore, the t-value of 19.031 exceeds the t-table value of 2.145, leading to the rejection of the null hypothesis (H0) and acceptance of the alternative hypothesis (H1). This research can then become a reference that is credible for other researchers and can be applied by teachers because the teaching materials in this study were made following the K13 lesson plan format used at SMKN 3 Bulukumba.

Interactional Speaking, Web-Based Learning, Peppa Pig Video