For me, social media and directories (like SaaSHub, Capterra etc.) are not working. Of course, you should try them and track the results — measure the traffic generated by each source. Be aware that logs may rotate, so make sure to check them frequently, save and analyse.

In my case, the only source of traffic and registrations is recommendations from AI assistants, so I focus on GEO - structured data in the source, proper indexing in Bing and Google.

I am running a small-scale project without a marketing budget, so this is more of an observation than a conclusion based on proven, repeatable statistics.