The avoid list
Everything scoring 4/10 or lower — often impressive engineering, but I would not put production on these today. Each writeup explains why.
| Product | Category | Score ↓ | Score meter |
|---|---|---|---|
| AI Search | ETI | 4/10 | |
| Zaraz | Core | 4/10 | |
| Cloudflare Fonts | Core | 3/10 | |
| D1 | ETI | 3/10 | |
| Workers AI | ETI | 3/10 | |
| Durable Objects | ETI | 2/10 |
Scoring: 8–10 recommend · 5–7 recommend with caveats · 0–4 would not recommend. Personal, anecdotal opinions from a decade of production use — how to read these.