CodeFrog vs WAVE

CodeFrog and WAVE (by WebAIM) both test accessibility, but they take different approaches and have very different scopes. CodeFrog is a native desktop app (macOS and Windows) providing unified quality testing β€” accessibility via axe-core, plus security, SEO, HTML validation, and code analysis. WAVE is a dedicated accessibility tool using its own proprietary engine with visual in-page annotation.

A key distinction: CodeFrog uses the open-source axe-core engine, while WAVE uses its own proprietary testing engine. WAVE focuses exclusively on accessibility β€” it does not test security, SEO, HTML validity, or anything else.

Note on WCAG compliance: Full WCAG A, AA, or AAA conformance cannot be achieved with automation alone β€” neither CodeFrog, WAVE, nor any other automated tool can fully validate conformance. Many WCAG criteria require human judgment and manual testing with assistive technologies (screen readers, keyboard navigation, voice control, etc.). Automated tools are a valuable part of your accessibility toolkit, but manual testing is required for full conformance at any level. See CodeFrog's WCAG page for details.
Feature CodeFrog WAVE
Accessibility
Automated WCAG 2.2 testing Yes (axe-core engine) Yes (proprietary engine)
Automated WCAG AA checks Yes Yes
Automated WCAG AAA checks Yes Yes
Color contrast checks Yes Yes (interactive picker + lightness sliders)
ARIA attribute validation Yes Yes
Heading hierarchy validation Yes Yes
Form label validation Yes Yes
Severity/impact classification Yes (minor to critical, 4 levels) Errors vs. Alerts (2 levels)
Visual in-page annotation No Yes (icons injected into page)
Reading/navigation order view No Yes (No Styles view)
AIM score (benchmarked to 1M sites) No Yes (1-10 score)
Cognitive accessibility evaluation No Yes
Security
OWASP-based security scanning Yes (comprehensive) No
Security headers (CSP, HSTS, X-Frame-Options) Yes No
CORS misconfiguration detection Yes No
Sensitive file detection (.env, .git, backups) Yes No
TLS/SSL configuration analysis Yes No
Secrets detection (Gitleaks) Yes No
Supply chain vulnerabilities (OSV) Yes No
Static analysis (Semgrep/OpenGrep) Yes No
SEO
Title tag validation Yes No
Meta description check Yes No
Robots.txt / Sitemap validation Yes No
Structured data validation Yes No
Content quality analysis Yes No
Keyword analysis Yes No
Canonical URL validation Yes No
Mobile-friendliness checks Yes No
Meta Tags & Social Sharing
Open Graph tags validation Yes No
Twitter Card tags validation Yes No
OG image dimension/aspect validation Yes No
Favicon detection Yes No
HTML Validation
W3C/Nu HTML Checker compliance Yes (strict mode) No
Heuristic-based fast validation Yes No
Performance
Page size / resource inventory by type Yes No
DNS/TCP/TLS/TTFB timing breakdown Yes No
Multi-URL timing comparison Yes No
Code Analysis
Source code secrets scanning (Gitleaks) Yes N/A
Dependency vulnerability scanning (OSV) Yes N/A
Static code pattern analysis (Semgrep/OpenGrep) Yes N/A
Line counting by language Yes N/A
Platform & Reporting
Unified multi-test report Yes (Mega Report) Accessibility only
Sitemap-based multi-URL testing Yes One URL at a time (or API)
Localhost / dev domain testing Yes Yes (browser extension)
Health score / letter grade Yes (A-F grade) Yes (AIM score 1-10)
Desktop app Yes (native macOS and Windows) No (browser extension + web)
Browser extension No Yes (Chrome, Firefox, Edge)
API access No Yes ($0.025/credit or $4K-$12K/year, as of early 2026)
Pricing Free / one-time purchase Free (extension) / paid (API)

Where CodeFrog excels

  • Full website quality suite beyond accessibility β€” security, SEO, HTML, code analysis
  • OWASP-based security scanning with severity classification
  • W3C/Nu HTML validation (strict and fast modes)
  • Secrets detection, supply chain vulnerabilities, and static code analysis
  • Open Graph and Twitter Card validation with image dimension checks
  • Sitemap-based multi-URL testing in a single run
  • Unified Mega Report combining all test categories
  • Four-level severity classification (minor, moderate, serious, critical)

Where WAVE excels

  • Visual in-page annotation β€” icons injected directly into the page
  • Proprietary engine with 110+ accessibility check types
  • Interactive color contrast checker with lightness sliders
  • Reading/navigation order visualization (No Styles view)
  • AIM score benchmarked against 1 million real web pages
  • Cognitive accessibility evaluation
  • Hidden content detection (aria-hidden, CSS hidden elements)
  • Browser extension runs 100% locally β€” no data sent to servers
  • Section 508 compliance checks
Better together: CodeFrog and WAVE complement each other well. Use CodeFrog for comprehensive website quality testing β€” security scanning, SEO analysis, HTML validation, and code analysis β€” with accessibility testing via axe-core. Use WAVE for dedicated accessibility evaluation with visual in-page feedback, reading order visualization, and manual review facilitation. Both tools support localhost testing, and using both gives you coverage from two different accessibility engines.