Standards Comparison

    WCAG

    Voluntary
    2023

    Global standard for accessible web content design

    VS

    WELL

    Voluntary
    2014

    Performance-based certification for occupant health and wellness

    Quick Verdict

    WCAG ensures web accessibility for people with disabilities through testable success criteria, while WELL certifies buildings for occupant health via performance verification. Companies adopt WCAG for legal compliance and UX; WELL for productivity, ESG, and talent retention.

    Web Accessibility

    WCAG

    Web Content Accessibility Guidelines 2.2

    Cost
    €€€
    Complexity
    High
    Implementation Time
    6-12 months

    Key Features

    • Four POUR principles structuring accessibility requirements
    • Testable success criteria at A/AA/AAA levels
    • Technology-agnostic guidelines for all web content
    • Backward-compatible additive version updates
    • Normative criteria separated from informative techniques
    Building Health & Wellness

    WELL

    WELL Building Standard v2

    Cost
    €€€€
    Complexity
    High
    Implementation Time
    12-18 months

    Key Features

    • 10 core concepts for health outcomes
    • Mandatory preconditions and point-based optimizations
    • On-site performance verification testing
    • Certification tiers Bronze to Platinum
    • Continuous monitoring compliance pathways

    Detailed Analysis

    A comprehensive look at the specific requirements, scope, and impact of each standard.

    WCAG Details

    What It Is

    Web Content Accessibility Guidelines (WCAG) 2.2 is the W3C's technology-agnostic framework for making web content accessible to people with disabilities. Its primary purpose is to provide testable success criteria under four **POUR principlesPerceivable, Operable, Understandable, Robust, ensuring broad usability across devices and assistive technologies.

    Key Components

    • 13 guidelines organized under POUR, with ~90 success criteria at Levels A, AA, AAA.
    • Normative success criteria define conformance; informative techniques offer implementation guidance.
    • Conformance model requires full pages, complete processes, accessibility-supported technologies, non-interference.

    Why Organizations Use It

    • Meets legal benchmarks (ADA, Section 508, EN 301 549, EAA).
    • Reduces litigation risk amid rising lawsuits.
    • Improves UX, conversion rates, SEO, market reach.
    • Builds stakeholder trust via inclusive design.

    Implementation Overview

    Phased approach: policy setting, audits, design system integration, training, CI/CD tools, ongoing monitoring. Applies to all web-publishing organizations globally; no formal certification but VPAT/ACR reports common. Targets AA level for enterprise baseline.

    WELL Details

    What It Is

    The WELL Building Standard v2, administered by the International WELL Building Institute (IWBI), is a performance-based certification framework for designing, operating, and verifying buildings that advance human health and well-being. Its scope spans indoor environmental quality, operations, and policies across new and existing structures. It employs a preconditions-and-optimizations approach, mandating baseline health protections while rewarding enhancements through points.

    Key Components

    • **10 core conceptsAir, Water, Nourishment, Light, Movement, Thermal Comfort, Sound, Materials, Mind, Community (plus Innovation).
    • 24 Preconditions (mandatory, pass/fail) and 102 Optimizations (point-earning).
    • Built on evidence-based health science; certification tiers (Bronze 40pts, Silver 50pts, Gold 60pts, Platinum 80pts) with concept minimums.

    Why Organizations Use It

    • Drives occupant productivity, retention, ESG reporting.
    • Mitigates health risks, enhances reputation.
    • Complements LEED for dual sustainability-health focus.

    Implementation Overview

    • Phased: gap analysis, scorecard, documentation, on-site verification, recertification every 3 years.
    • Applies to offices, residential, portfolios; requires third-party testing.

    Key Differences

    Scope

    WCAG
    Web content accessibility for disabilities
    WELL
    Building health, well-being, indoor environments

    Industry

    WCAG
    All digital/web industries worldwide
    WELL
    Real estate, facilities, corporate globally

    Nature

    WCAG
    Voluntary W3C technical standard
    WELL
    Voluntary IWBI performance certification

    Testing

    WCAG
    Automated/manual WCAG success criteria
    WELL
    On-site performance verification testing

    Penalties

    WCAG
    Litigation risk, no certification penalties
    WELL
    No legal penalties, certification loss

    Frequently Asked Questions

    Common questions about WCAG and WELL

    WCAG FAQ

    WELL FAQ

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