From what I can tell SMART analysis, as supplied by testing tools comes in 2 forms, simple and complex. "Simple" reporting seems to be used on tools like Disk Utility, Scannerz, and SMARTReporter.

What Are Disk Speed Test Apps? Disk speed test apps help measure the overall speed and performance of a hard drive or solid-state drive (SSD) (internal or external) connected to a computer system.

When you boot your HP computer and it fails to boot and throws the SMART Hard Disk Error 301, 302, 309, 30A, 30B, 30C, 3F1, or 3F2, then the fixes we have presented ...

I have a late 2006 (plastic) iMac. It started acting up a little so I ran Scannerz w/FSE on the drive to scan it, and sure enough it found bad sectors plus a fair number of sectors that are damaged ...