Check out PACER's newly redesigned, informational and resource website https://pacer.uscourts.gov
The website provides informain about how the public can access federal court records electronically and have easy access to PACER and PACER-related applications.
New features include:

• mobile-friendly design
• new tool to search for court-specific information
• interactive format to search frequently asked questions
• search engine has been optimized to improve content findability
• JSON and XML feeds of court-specific information
• new accessibility tools

In additon two PACER applications - Manage My Account and Registration - have new designs to create an improved user experience.