Is it ‘internet’ or ‘the internet’? I use Grammarly to check my writing English and it suggests me that correction.

The usage of "internet" or "the internet" depends on the context and the intended meaning. Both forms can be correct, but they are used in slightly different ways.

• "Internet" (without "the"): When "internet" is used without "the," it is often used as a general term to refer to the global network of connected computers and the technology behind it. For example: "I use the internet to research information." "She works in the field of internet security." In these cases, "internet" is used as a general concept or an uncountable noun.

• "The internet": When "the internet" is used with "the," it refers to the specific global network that we all use. It is treated as a proper noun and refers to the interconnected network of computers worldwide. For example: "I found that information on the internet." "He spends a lot of time browsing the internet." In these cases, "the internet" is used to refer to the specific network that is accessible to everyone.