USCIS – Case Status Online

https://egov.uscis.gov/casestatus/landing.do

US Department of State – Visa Status Check

https://ceac.state.gov/ceacstattracker/status.aspx

US Department of Homeland Security – I-94 Website

https://i94.cbp.dhs.gov/I94/#/home

US Citizenship and Immigration Services

https://www.uscis.gov/

US Immigration and Customs Enforcement

https://www.ice.gov/

Executive Office for Immigration Review

https://www.justice.gov/eoir