Can I apply for asylum online, or do I need to mail it to USCIS?

https://www.sojournerlawfirm.com

Sojourner Law is an immigration law firm focusing on removal defense in the immigration courts as well as family-based immigration. The firm is led by Ryan and Monica Driscoll, a husband and wife team who are passionate about advocating for sojourners throughout the United States, with an office in the suburbs of Pittsburgh, PA.