Sergio Belli
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Blog
2026
  • AIF-C01: practice exam scores measure overlap, not readiness
    My practice scores went 64% → 67.7% → 81% → 73%. I booked the exam anyway, skipped the last mock to reread my notes, and passed with 813/1000. Here's the analysis that made that a rational decision instead of a reckless one.
  • How I rebuilt my portfolio with Astro, S3 and CloudFront for less than $1/month
    From a neglected WordPress on EC2 to a Lighthouse 100/100 static site with automated CI/CD — a practical walkthrough of the stack I chose and why.
© 2026 | Sergio Belli