1. Concentrate on user and search intent.
2. Do update, upgrade, and republish your blog posts again.
3. Search undiscovered keywords on Reddit.
4. Try to earn authority backlinks.
5. Use long-tail keywords of your own niche.
6. Image search optimization is a must
7. Work upon your CTR to increase organic traffic.
8. Go for Mobile optimization.
9. Write simple and short content.
10. Use Google search console to increase traffic.