Forbes -- Mention “employee perks and benefits” and you’re likely to conjure images of Silicon Valley shuffleboard tournaments and off-site staff retreats in Maui. But the kinds of benefits job seekers are after are far more traditional–and more essential for hiring–than employers may think.

According to job search and salary comparison site Glassdoor, 57 percent of job seekers list benefits and perks among their chief concerns when evaluating a job offer. Further, 80% of employees would choose an added perk instead of a raise.

“Benefits and perks matter because they’re an added piece of the total compensation puzzle,” said Glassdoor career trends analyst Scott Dobroski.

Glassdoor’s review of employee benefits considers employee evaluations of over 50 benefits and perks offered by employers, such as “health insurance, 401(k), adoption assistance, tuition assistance, and more.” Employers are also provided the opportunity to “verify and comment on the benefits and perks.”