Online Payments can be again of two types. There can be one time payment where you pay using Credit Card or Debit Card, Net Banking or even by Phone and you get the agreed product or services. The recurring payment method can be used to provide you continous service or products over a period of time.
When paying to a website using an online method, you might be paying in using credit or debit card, net banking, phone pay or other payment methods such as PayPal etc. A website can be run by an indivual or by a registered company and depending on the business of the website. The online payments are normally accepted using a Payment Gateway by a website. The Payment Gateway is sort of big thing as it needs to do money transactions, handle necessary taxes, etc and ofcourse many technical stuff out there.
Whenever paying a website using online payment method, the first and foremost step can be to make sure that your computer is not afected by any trojan or virus etc. Once you are pretty much sure that the computer on which you are paying using an online payment method, the second thing to note carefully about the payment you are going to make. Review whether it is a one time payment or a recurring payment, also have a look at terms and conditions and cancellation policy.
Once you are happy with all the payment prerequisites and you do decide to make the online payment, do have a look at the payment receipt that should be delievered to your email id by the website. In case you do have online access for your bank or electronic card details, have a look whether the payment has been charged appropriately or not. All these steps can be really useful while making payment first time onto a website.