UX, Accessibility & Frontend Performance

This section provides an overview of all UX, Accessibility & Frontend Performance metrics. These metrics focus on web performance, accessibility, and user experience, making visible how frontend design and delivery impact usability, inclusiveness, energy consumption, and perceived performance. They help teams balance fast, accessible user experiences with sustainable data transfer and resource usage.

Below is the list of all metrics in this category:

Metrics Overview

  • WCAG 2.2 Compliance Rate
    Measures the percentage of applicable WCAG 2.2 criteria fulfilled, supporting inclusive and accessible user experiences.

  • Largest Contentful Paint (LCP)
    Measures the render time of the largest visible content element, reflecting perceived loading speed and frontend efficiency.

  • Interaction to Next Paint (INP)
    Measures responsiveness to user interactions, capturing how quickly the interface reacts to input.

  • Time to First Byte (TTFB)
    Measures the time until the first byte is received from the server, reflecting backend and network latency.

  • Bytes per View
    Measures the amount of data transferred per page view, supporting data-efficient and energy-aware frontend design.

  • Requests per View
    Measures the number of HTTP requests per page view, highlighting frontend overhead and optimization potential.


← CO₂e Emissions per Job WCAG 2.2 Compliance Rate →

Table of contents