Plans and Pricing

W3ISO certifications help organizations demonstrate website quality, trust, and digital maturity through structured technical and functional assessments. Each certification level expands the scope of verification, allowing businesses to choose the plan that best fits their website goals, audience expectations, and compliance needs.

Plans and Pricing

Choose the W3ISO certification level that best matches your website’s current stage, business goals, and quality requirements.

After certification is purchased, each verification item is reviewed by W3ISO and scored from 1 to 5, helping you understand your website’s current maturity level and improvement opportunities.

W3ISO Essential

A strong starting point for websites that need to demonstrate baseline quality in compatibility, responsiveness, speed, security, and content structure.

USD 490.00
USD 290.00
Best for:
  • Institutional websites
  • Small business websites
  • Projects seeking essential validation
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W3ISO Advanced

Ideal for websites that need a broader certification scope, including user experience, interactivity, advanced security checks, legal compliance, and support readiness.

USD 990.00
USD 690.00
Best for:
  • Growing brands and companies
  • Lead generation and service websites
  • Projects requiring stronger trust signals
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W3ISO Premium

The most complete certification level, designed for websites that want deeper performance, accessibility, SEO, sustainability, monitoring, and advanced usability analysis.

Custom pricing
On Request
Best for:
  • E-commerce and high-traffic websites
  • Organizations with compliance needs
  • Projects seeking a broader quality benchmark
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Certification Scope Essential Advanced Premium
Custom domain access Included Included Included
Browser compatibility
Opera, Firefox, Chrome, Edge		 Included Included Included
Device compatibility
Desktop, notebook, mobile, tablet		 Included Included Included
Responsiveness review
Viewport, scalability, layout adaptation, usability comfort		 Included Included Included
Performance and speed
Cache efficiency, image/script optimization, loading time		 Included Included Included
Baseline security
HTTPS and SSL certificate verification		 Included Included Included
Content quality
Clarity, grammar, relevance, content freshness		 Included Included Included
Information architecture
Logical content structure, categories, tags, menus		 Included Included Included
UX and usability — Included Included
Interactivity and engagement — Included Included
Advanced security review
SSL status and cyberattack exposure checks		 — Included Included
Legal compliance
Privacy, cookies, terms, LGPD/GDPR alignment		 — Included Included
Error handling and support readiness — Included Included
SEO review — — Included
Digital sustainability — — Included
Continuous testing and monitoring — — Included
Accessibility (WCAG) — — Included
Advanced heuristic analysis — — Included

Every evaluated item receives a score from 1 to 5, where higher scores indicate stronger alignment with W3ISO quality criteria.

Need help choosing the right certification?