Give a backlink to real website = receive a backlink from a real website

🔥 Bulletproof against any Goolge penality
🔥 100% Free

to avoid Google penalties:
✅ nobody has the complete list except me (Stéphane BERGE) and I keep it encrypted
✅ no direct backlinks between websites A<->B
✅ only triangular backlinks A->B->C->A
✅ only REAL company websites related to tech: SaaS, information technology and services, tech, security,…