Insights
Notes from the studio.
Short essays on performance, measurement, and personalization.
October 2, 2026 · 1 min
What belongs in a case study
A case study should name the constraint, what shipped, and what was measured. How Black Box Site Design writes one, including the sample studies on this site.
October 6, 2026 · 1 min
A performance budget is a design decision
Core Web Vitals thresholds are design constraints, not a score we paste on. How Black Box Site Design sets a budget before decoration and tags.
October 9, 2026 · 1 min
Personalization starts with the visit
Real-time personalization can use the hour, device, referrer, and locale before an account exists. How that relates to conversion, without a fake lift.