Insights
Every piece is grounded in public standards and public data.
Index
6 entries · sorted by date ↓Browser Caching Freshness and Revalidation
How HTTP caches decide whether a browser response is fresh, stale, or eligible for conditional reuse.
Anatomy of an AI agent tool-calling loop
A neutral systems reference for the loop that lets a language model select, call, and verify external tools.
Measuring Accessibility, Speed, and Tracker Load
A standards-grounded method for auditing usability barriers, runtime performance, and third-party tracking weight.
Search ad auction rank and cost per click
How rank scores, quality signals, floors, and second-price logic determine search ad position and billed clicks.
WCAG 2.2: what the standard requires
A systems-level reference to WCAG 2.2 conformance, thresholds, failure modes, and minimal implementation.
Core Web Vitals: how the metrics work
A systems-level explanation of LCP, INP, and CLS: what they measure, which APIs define them, and how to diagnose failures.