There is no definitive answer to this question as different businesses have different needs and there is no one-size-fits-all solution. However, some tips that may be useful include:
-Consider the audience you are targeting. If you are targeting a global audience, then you will need to use a language that is widely spoken and understood. Some of the most widely spoken languages include English, Spanish, French, and Mandarin Chinese.
-Choose a language that is easy to read and understand. This is especially important if you are selling products or services online. You want your customers to be able to easily understand your website and make purchases without any confusion.
-Make sure to use proper grammar and spelling. This can be a challenge when using a second language, but it is important to make sure that your website is error-free. Nothing creates a worse impression than a website full of mistakes.
If you are still unsure about which language to use for your e-commerce website, you can always consult with a professional translations services company. They will be able to help you choose the best option for your specific needs.