Standards Comparison

    WCAG

    Voluntary
    2023

    Global standard for accessible web content to disabled users

    VS

    CMMI

    Voluntary
    2023

    Global framework for process maturity and improvement

    Quick Verdict

    WCAG ensures accessible web content via testable criteria for legal/ethical compliance, while CMMI drives process maturity for predictable delivery. Organizations adopt WCAG to avoid lawsuits and serve all users; CMMI for efficiency, quality, and procurement wins.

    Web Accessibility

    WCAG

    Web Content Accessibility Guidelines (WCAG) 2.2

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

    Key Features

    • POUR principles organize accessibility requirements
    • Testable success criteria at A/AA/AAA levels
    • Technology-agnostic for current and future web tech
    • Backward-compatible additive version updates
    • Normative criteria separate from evolvable techniques
    Process Maturity

    CMMI

    Capability Maturity Model Integration (CMMI)

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

    Key Features

    • Maturity Levels 0-5 for organizational progression
    • 25 Practice Areas in 4 Category Areas
    • SCAMPI Class A/B/C appraisal methods
    • Staged vs continuous representations
    • Generic practices for institutionalization

    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 standard for web accessibility. It provides testable success criteria under POUR principles (Perceivable, Operable, Understandable, Robust) to make content accessible to people with disabilities.

    Key Components

    • Four POUR principles with 13 guidelines and ~90 success criteria at A/AA/AAA levels.
    • Normative success criteria; informative techniques, failures, and understanding docs.
    • Conformance requires full pages, complete processes, accessibility-supported tech, 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.
    • Enables procurement, governance, vendor contracts.

    Implementation Overview

    • Phased: policy, assessment, remediation, training, CI/CD integration, audits.
    • Applies to all web content creators globally.
    • No formal certification; self-assess via VPAT/ACR, independent audits recommended.

    CMMI Details

    What It Is

    Capability Maturity Model Integration (CMMI) is a performance improvement framework developed by Carnegie Mellon’s SEI and governed by ISACA. It provides a structured approach to process institutionalization, focusing on maturity progression across development, services, and acquisition domains using staged or continuous representations.

    Key Components

    • 4 Category Areas (Doing, Managing, Enabling, Improving) with 12 Capability Areas and 25 Practice Areas in v2.0.
    • Maturity Levels 0-5 and Capability Levels 0-3.
    • Generic Practices for institutionalization (policy, planning, monitoring).
    • SCAMPI appraisals (Class A/B/C) for certification.

    Why Organizations Use It

    • Enhances predictability, reduces rework, improves quality.
    • Meets contractual requirements in defense, regulated sectors.
    • Manages risks via measurement and causal analysis.
    • Builds competitive edge through benchmarked maturity.

    Implementation Overview

    • Phased: assessment, piloting, rollout, appraisal.
    • Involves gap analysis, training, tooling integration.
    • Suits mid-to-large organizations in IT, software, services globally.
    • Requires authorized Lead Appraiser for formal ratings. (178 words)

    Key Differences

    Scope

    WCAG
    Web content accessibility for disabilities
    CMMI
    Process improvement across development/services

    Industry

    WCAG
    All web-publishing organizations globally
    CMMI
    Software, defense, services, regulated sectors

    Nature

    WCAG
    Voluntary W3C technical guidelines
    CMMI
    Voluntary process maturity framework

    Testing

    WCAG
    Automated/manual/AT testing, no certification
    CMMI
    SCAMPI appraisals A/B/C by certified appraisers

    Penalties

    WCAG
    Litigation risk under ADA/EAA
    CMMI
    Contract disqualification, no direct fines

    Frequently Asked Questions

    Common questions about WCAG and CMMI

    WCAG FAQ

    CMMI FAQ

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