Having a clearly defined niche is essential for any website or blog to be successful. Your niche should describe the type of content you will be producing and the audience that you are targeting. Even if you have a general site or a personal blog that covers a variety of topics, there should still be a common theme that ties everything together and appeals to a specific audience.
Unfortunately, many webmasters do not fully understand their niche, and this lack of clarity can lead to their sites suffering as a result. To avoid this, it's important to know and understand your niche. For most bloggers or site owners, this will be an easy question to answer, as their site will likely be centered around a specific topic, such as football or technology.
If your site is more general, then you can create a niche by making a list of the topics you write about regularly and considering what ties them together and what kind of person would be interested in reading them. As long as your future content meets these criteria, you will be on the right track.
The niche you choose should primarily be determined by your own interests. If you are going to be writing about a subject for the next 10 years, then it's essential that you have a genuine passion for it. This is because you won't be able to deliver truly unique and valuable content if you don't have a good understanding of the topic. Hiring professional writers won't necessarily guarantee that you'll find someone with the same level of passion and interest.
However, it's also important to consider the viability of the niche. Is it too competitive? Can you realistically compete with the biggest sites in the space? Is it profitable and monetizable? You need to choose a subject that people are willing to spend money on and that has plenty of opportunities for informational products.
Finance is one of the best niches in this regard because there is so much money to be made in that space. However, you can also make a lot of money writing about dating, fitness, or other topics that address a fundamental human need. Ultimately, the key is to choose a niche that you are passionate about and that has the potential to be profitable.