What Cloudflare’s Radar “2025 Year in Review” Tells Us About Internet Trends (AI Crawlers, Post-Quantum Adoption, DDoS Attacks) and What We Should Do in 2026
Cloudflare’s Radar “2025 Year in Review” is one of the clearest data-backed snapshots of how the Internet changed over the year and what technical leaders should prepare for next. The report points to three major forces reshaping Internet operations:
Rapid growth in AI-driven crawling, Mainstream adoption of post-quantum (PQ) TLS, and Record-setting DDoS attacks at unprecedented scale








