An online career website found Home Depot ranked eighth on a list of companies advancing employee happiness.

CareerBliss.com evaluated more than 250,000 company reviews and ratings from employees to create its top 50 list of happiness improvement. Target showed the biggest increase -- up 12.1% to a bliss index of 3.888.

Home Depot ranked eighth on the list, improving 7.964% to a bliss index of 3.772 this year.