To learn English speaking skills effectively through online platforms, consider the following methods:

1. Online Language Courses: Enroll in structured online English courses offered by reputable platforms like Coursera, Udemy, or Babbel. These courses often have interactive modules, video lessons, and practice exercises to enhance speaking skills.

2. Language Exchange Platforms: Join platforms like Tandem, HelloTalk, or ConversationExchange to connect with native English speakers for language exchange. This provides real-life practice and helps in improving pronunciation and fluency.

3. Online Tutoring: Hire an online English tutor through platforms like iTalki or Preply. Personalized lessons catered to your proficiency level can significantly help in improving speaking skills.

4. Language Learning Apps: Utilize language learning apps such as Duolingo, Rosetta Stone, or Hello English which offer speaking exercises, pronunciation practice, and interactive lessons to enhance English speaking abilities.

5. Practice Speaking Daily: Consistent practice is key. Engage in speaking activities such as virtual language meetups, recording yourself speaking, or participating in online discussion forums to enhance your confidence and fluency.

Remember, the key to mastering English speaking skills online is consistent practice, utilizing a variety of resources, and seeking feedback to track your progress.