It's common for people to avoid purchasing life insurance, because they don't want to face the possibility of their own death. But, especially if you are the primary source of income for your family, online life insurance is simply part of a good financial plan. You want to ensure that your family is protected in the event of your death. There are essentially two types of life insurance.
The first is term life insurance. This is the most common form of life insurance. Essentially, as long as the premiums are paid, the policy will pay the face amount at your death. This is typically the type of insurance offered by employers as a component of your benefits package. Premiums usually increase as you age, but the benefit does not.
The second type is whole life insurance. The premiums stay the same throughout your life, and the policy accumulates a cash value as you pay into it. It may even pay dividends. The value continues to increase as long as premiums are paid, and you can actually withdraw some of the money for college expenses or a home downpayment. This type of policy allows you to see some benefit even before your death.
Your insurance company may offer variations on both types of policies in order to be able to create a policy that fits your exclusive needs.
Determining how much life insurance you need is usually the hardest decision.
The primary breadwinner in the family should consider how the spouse could pay bills in the event of their death. Some families choose whole life insurance with the value of a year's salary. Others choose life insurance in the value of their home mortgage, thinking that the secondary income would be enough if the mortgage were paid off.
Don't make the mistake of thinking that a stay at home spouse should not have life insurance. Consider the amount you'd have to pay someone to take over duties like child care, cooking and cleaning if the stay at home spouse died.
Life insurance needs should be reviewed every few years. Those who are single may need little or no life insurance, while families with young children will want quite a bit of coverage. Once your children leave home, you can likely decrease the amount, and you can also usually decrease the amount once your mortgage is paid off. 
Online life insurance is an important part of your financial plan, and it takes much consideration. Think about the coverage your family needs, and then work with your agent to come up with a life insurance policy that gives your family peace of mind.