Examples of Usability Hits and Misses

Jacobs has a simple layout, anchor text, is stright forward, uses white space, and has a logo that links home.
Visit Jacobs Heating

Mengis Heating, can't click on the phone number, somewhat messy/busy layout, logo links home, all pages look the same making it hard to notice you changed pages, multiple contact us options.
Visit Mengis Heating

Sunset Heating, a little busy, logo links home, can click on phone number, responsive nav bars, a lot of wording.
Visit Sunset Heating

AAA Heating, a little dark, logo links home, can not click on phone number, hard to read, a lot of wording.
Visit AAA Heating

Heat Relief Heating, pleasant layout, logo links home, can click on phone number, animated, nice nav bars.
Visit Heat Relief Heating