Here are some potential blogging niches that could be profitable in 2023:

1. Health and wellness - With an increasing number of people becoming health-conscious, this niche is set to become even more popular in the future. Topics could include fitness, healthy eating, mental health, and natural remedies.

2. Finance and money - Finances continue to be a concern for many, so blogging about topics such as investing, saving money, or making money online could be highly profitable.

3. Technology - Technology is constantly evolving, and there’s always something new to write about. This niche could include reviews of the latest gadgets or software, tutorials, and news updates.

4. Travel - The travel industry is expected to boom in coming years, and travel blogging can be highly lucrative. Writing about popular tourist destinations, adventure travel, or budget travel tips could draw plenty of readers.

5. Personal development - Self-improvement is always in demand, and blogging about topics such as mindfulness, productivity, or leadership could have a broad audience.

Ultimately, the best blogging niche will depend on your interests, expertise, and target audience. It’s essential to choose a niche that aligns with your passions to keep you motivated to create quality content consistently.