Standards Comparison

    WCAG

    Voluntary
    2023

    W3C standard for accessible web content worldwide

    VS

    ISO 22301

    Voluntary
    2019

    International standard for business continuity management systems

    Quick Verdict

    WCAG ensures web accessibility for disabled users via testable criteria, while ISO 22301 builds business continuity resilience against disruptions. Companies adopt WCAG for legal compliance and inclusivity, ISO 22301 for operational recovery and risk mitigation.

    Web Accessibility

    WCAG

    Web Content Accessibility Guidelines 2.2

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

    Key Features

    • Testable success criteria at A, AA, AAA levels
    • POUR principles organize accessibility requirements
    • Technology-agnostic for all web technologies
    • Backward-compatible across WCAG 2.x versions
    • Full pages and complete processes conformance
    Business Continuity

    ISO 22301

    ISO 22301:2019 Business continuity management systems – Requirements

    Cost
    €€€
    Complexity
    Medium
    Implementation Time
    0-6 months

    Key Features

    • PDCA cycle for continual BCMS improvement
    • Business Impact Analysis prioritizing critical functions
    • Risk assessment and recovery strategy development
    • Leadership commitment with policy and roles
    • Operational testing exercises and performance audits

    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 globally recognized, technology-agnostic standard for web accessibility. It defines testable requirements to make content perceivable, operable, understandable, and robust for people with disabilities. Employs a layered model: principles, guidelines, success criteria.

    Key Components

    • **POUR principlesPerceivable, Operable, Understandable, Robust.
    • 13 guidelines under POUR.
    • ~80 success criteria at Levels A, AA, AAA.
    • Informative techniques, failures, and understanding documents. Voluntary conformance claims; no formal certification.

    Why Organizations Use It

    • Meets legal references in ADA, Section 508, EN 301 549, EAA.
    • Reduces litigation risk and procurement barriers.
    • Improves UX, conversion rates, SEO, market reach.
    • Builds stakeholder trust and ESG reputation.

    Implementation Overview

    Phased program: baseline assessment, prioritized remediation, design system integration, training, CI/CD tooling. Applies to all web-publishing organizations globally; involves audits, VPATs, user testing. Ongoing monitoring ensures sustained compliance.

    ISO 22301 Details

    What It Is

    ISO 22301:2019 is an international certification standard specifying requirements for a Business Continuity Management System (BCMS). It provides a flexible, high-level framework using the PDCA (Plan-Do-Check-Act) cycle to build organizational resilience against disruptions like cyberattacks, pandemics, and natural disasters, applicable across all sizes and sectors.

    Key Components

    • 10 clauses (4-10 core): organizational context, leadership commitment, planning (BIA, risk assessment), support (resources, training), operation (recovery strategies, testing), performance evaluation (audits, reviews), improvement.
    • Emphasizes Business Impact Analysis (BIA), risk treatment, and integration with standards like ISO 27001; 3-year certification with annual surveillance audits.

    Why Organizations Use It

    Reduces downtime and financial losses, ensures compliance (e.g., EU NIS Directive), enhances stakeholder trust, lowers insurance premiums, provides procurement advantages and competitive edges amid rising global risks.

    Implementation Overview

    Gap analysis, leadership buy-in, BIA/risk processes, policy development, training, testing, audits. Tools accelerate 6-8 week certification; suits SMEs to multinationals globally.

    Key Differences

    Scope

    WCAG
    Web content accessibility for disabilities
    ISO 22301
    Business continuity management system resilience

    Industry

    WCAG
    All web-publishing sectors worldwide
    ISO 22301
    All sectors, critical infrastructure emphasis

    Nature

    WCAG
    Voluntary W3C technical standard
    ISO 22301
    Voluntary ISO certification standard

    Testing

    WCAG
    Automated/manual/AT testing, audits
    ISO 22301
    BIA/RA exercises, internal/external audits

    Penalties

    WCAG
    Litigation risk, no direct penalties
    ISO 22301
    Certification loss, business disruption risk

    Frequently Asked Questions

    Common questions about WCAG and ISO 22301

    WCAG FAQ

    ISO 22301 FAQ

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