What SEO strategies can I do for my first SAAS product?

Hello everyone, I've created my first SAAS product as an 18 yr old nextjs dev. I made a GPT wrapper (yes I know, very generic) that is very niched and appeals to a specific group that I'm around daily (uni students). I've finally finished the product and I'm looking to increase SEO visibility on my website and need some advice. I've got feedback from the people at my university who really like the product, and have made the improvements accordingly. Here is what I have done so far: 1. **Keyword Research**: I researched keywords on SEMrush, incorporated a long-tail keyword, and naturally placed other relevant keywords throughout my blogs. 2. **AI Tool Directories**: I’ve tried submitting my product to various AI tool directories, but most asked for a payment, and I don’t have a budget yet. :( 3. **Site Audit**: I ran a full site audit with Ahrefs and everything looks great—100% score! So, on-page SEO seems to be in order. 4. **Backlink on GitHub**: I managed to secure a backlink on a tools organizer on GitHub with 1.3k stars. The owner was receptive after I gave a genuine compliment, and I got my link in. 5. **Wikipedia Reference**: I added my product’s blog post link as a reference on a related Wikipedia entry. (It felt natural and non-spammy.) 6. **Social Media Backlink**: Included my backlink on my TikTok and Instagram accounts. 7. **Medium Article**: I wrote an article on Medium, included relevant keywords, and linked back to my website. 8. **Competitor Keyword Research**: I’ve attempted to analyze competitor keywords, but SEMrush only showed me a limited amount. I’m kind of in the dark about the rest of their strategy. What am I missing? Should I keep doing what I’ve been doing, or are there additional strategies I should try? I'm also unsure about how to do outreach for other backlinks. I don't expect to see any results for 6-12 months as I know SEO is long process, but I’d really appreciate any tips, advice, or resources that you think could help! Thanks in advance! 🙏