Online learning sites are platforms that offer educational courses and resources over the internet. They provide a variety of subjects, from academic topics like mathematics and science to skills such as coding and graphic design. Users can access video lectures, quizzes, and interactive materials at their own pace, making education more flexible and accessible. Many online learning sites, such as Coursera, Udemy, and Khan Academy, cater to different learning styles and levels. Some offer free courses, while others require payment for premium content or certifications. These platforms have become increasingly popular, especially during the rise of remote learning.