It’s understandable that you would have reservations about meeting someone online. It wasn’t that long ago that we were only meeting people through more traditional channels such as friends, family, work, church, etc.
However, yes, people do find good long-term partners online. If a long-term relationship is what you are looking for, it is best to choose a dating app or site that is geared towards that crowd.
Then do your due diligence and be proactive in how you go about connecting with and interacting with potential romantic partners. Be patient. In time, you find the right long-term partner for you.
It really is that simple. It all starts with having the right mindset and approach. As long as you execute correctly, finding a good long-term partner is inevitable.