In light of the recent wave of mass layoffs by major tech companies, the promising niches (or sub-niches) for 2023 would include career advice, mental health, remote jobs/work from home, budget shopping, and DIY. Additionally, other favorable niches (or sub-niches) would encompass gaming and vegan lifestyle, among others.
It is important to remember that Google algorithms are subject to change, so as part of your blogging strategy, it is advisable to build an email list. This way, in case Google algorithms undergo fluctuations, you will always have your email list as a reliable asset.