HTML-CSS Certification
Validate foundational web design skills in semantic HTML5, modern CSS3, responsive design, Flexbox, CSS Grid, accessibility fundamentals, mobile-first layouts, and cross-browser compatibility.
Validate your web design skills with COITB certification programs built for aspiring designers, front-end beginners, freelancers, bootcamp graduates, and career changers. COITB does not deliver training courses or bootcamps; instead, it offers industry-recognized credentials, online proctored exams, free practice assessment access, and digital badges that help demonstrate real capability in HTML, CSS, responsive design, React, and JavaScript.

Explore COITB web design and front-end certification pathways designed to validate real-world skills through proctored exams.
Validate foundational web design skills in semantic HTML5, modern CSS3, responsive design, Flexbox, CSS Grid, accessibility fundamentals, mobile-first layouts, and cross-browser compatibility.
Build a stronger front-end credential stack by validating modern JavaScript skills, including ES6+, DOM manipulation, async/await, Fetch API, events, array methods, and REST integration.
Demonstrate React capability for front-end developer roles, including JSX, component architecture, hooks, props and state, routing, forms, conditional rendering, and API integration.
Clarify whether to begin with HTML-CSS or ReactJS based on your current skill level, target role, and whether your portfolio emphasizes websites or React applications.
Use COITB certification as a credibility signal when competing for small-business website projects, Upwork contracts, direct clients, or freelance web design opportunities.
Support career transitions into web design or front-end work with credentials suited for self-taught candidates, bootcamp graduates, veterans, and non-technical professionals.

Begin by choosing the credential that matches your career target: HTML-CSS for web design fundamentals, JavaScript for interactive front-end work, or ReactJS for component-based application development. COITB pathways support candidates from entry-level through team credentialing needs.
COITB helps candidates prove capability through focused, employer-relevant credentialing.
COITB validates job-relevant skills through credentials designed for modern web and technology roles.
Certification programs are aligned to ISO/IEC 17024 standards for credible personnel certification practices.
Remote proctored exams make credentialing accessible without requiring classroom attendance or bootcamp enrollment.
Digital badges help candidates share verified achievements with employers, clients, recruiters, and professional networks.
Credentialing programs for today’s technology career pathways.
COITB is a non-profit credentialing body focused on validating real-world skills for the modern IT workforce. Its mission is to elevate professional standards and support future-ready careers through industry-recognized certifications across UI design, application development, AI, backend development, and technical sales. Rather than offering courses or bootcamps, COITB provides structured certification programs that help candidates demonstrate proven capability after self-study, formal education, employer training, or portfolio building. From its headquarters in Oklahoma City, COITB supports candidates across the United States and many international locations through flexible online proctored testing, authorized test centers, practice assessment access, and verifiable digital badges.
Yes. COITB offers the HTML-CSS Web Designer Certification, an industry-recognized credential that validates semantic HTML5, modern CSS3, responsive design, Flexbox, CSS Grid, accessibility fundamentals, and cross-browser layout skills. The certification is delivered through an online proctored exam or authorized test center, and candidates who pass receive a digital badge for LinkedIn, résumés, and employer verification.
Get clear guidance on exams, registration, and credential pathways.
Aligned to recognized personnel certification standards.
Credentials designed to validate real-world technology skills.
Verifiable badges for LinkedIn, résumés, and employers.
Use the contact form to ask about certification options, exam registration, practice assessment access, digital badges, or enterprise team credentialing.
You can also send us a quick email at support@coitb.org.
You can also send us a quick email at support@coitb.org.