Web Accessibility: 5 WCAG Checks Every Site Needs [Checklist]

Web accessibility is not a checkbox exercise you complete once and forget. It is a foundational principle of good digital design, one that determines whether millions of Indian users, including people with visual, auditory, motor, or cognitive disabilities, can actually use your website. Picture a store with a beautifully designed entrance that only opens for certain customers. That is what an inaccessible website does every single day, quietly turning away visitors before they even see what you offer. For businesses competing in India's crowded digital market, that is a cost you cannot afford to ignore.

This checklist walks you through five practical WCAG (Web Content Accessibility Guidelines) checks that give you a strong, defensible baseline. Whether you run an e-commerce platform, a SaaS product, or a corporate website, these checks will help you identify gaps and build a more inclusive, higher-performing digital presence.

A Strategic Cpluz Perspective

Most agencies treat accessibility as a compliance task, something bolted on right before launch to satisfy a client's legal team. We take a different view. At Cpluz, we apply what we call the "A-U-X" framework: Accessibility as User Experience. The underlying premise is simple but often overlooked: features built for accessibility quietly improve the experience for everyone, not just users with disabilities.

Consider captions on video content. They exist for hearing-impaired users, yes, but they also help someone scrolling through a feed on mute in a crowded office. Or consider clear focus states on buttons, built for keyboard-only users, but genuinely useful for anyone navigating quickly on a laptop trackpad. When we redesigned the navigation structure for a retail client, we discovered that accessibility fixes aimed at screen-reader users also reduced overall bounce rate, because the site became easier to scan and understand for every visitor. Treating accessibility as a core design principle, rather than a final audit, produces a more intuitive, more profitable website. That is the counter-intuitive argument we bring to every project: accessibility is not a constraint on design, it is a catalyst for better design.

What Is the Foundation of Web Accessibility Compliance?

The foundation is the WCAG standard itself, organized around four principles: Perceivable, Operable, Understandable, and Robust (often abbreviated POUR). Every accessibility check you run should map back to one of these principles. Understanding this structure helps you prioritize fixes rather than chasing an endless, disorganized list of technical issues.

A mistake we often see businesses in the tech sector make is focusing exclusively on one principle, usually visual contrast, while ignoring operability issues like keyboard navigation entirely. A genuinely accessible site addresses all four principles in tandem.

Check 1: Do Your Images Have Meaningful Alt Text?

Alt text allows screen readers to describe images to visually impaired users, and its absence is one of the most common accessibility failures we encounter. Every meaningful image, product photo, infographic, chart, needs a concise, descriptive alt attribute. Purely decorative images should have empty alt attributes so screen readers skip them entirely, avoiding unnecessary clutter for the listener.

Check 2: Can Every Function Be Operated With a Keyboard Alone?

Yes, and if it cannot, you have a serious operability gap. Many users navigate exclusively via keyboard, whether due to motor impairments or simple preference. Test your entire user journey, from homepage to checkout, using only the Tab, Enter, and arrow keys. If you get stuck on a dropdown menu or a modal that will not close, that is a barrier blocking real customers from completing real transactions.

Check 3: Is Your Color Contrast Sufficient for Readability?

Text needs to stand out clearly against its background, and WCAG specifies minimum contrast ratios for this reason. Low-contrast text, light grey on white, for instance, might look sleek in a mockup, but it excludes users with low vision and strains everyone else's eyes during extended reading sessions. In our work with fintech clients at Cpluz, we've found that improving contrast ratios on dashboards reduced support queries related to "confusing" interfaces, because users could simply read the information without friction.

Check 4: Are Your Forms Properly Labeled?

Every input field needs a programmatically associated label, not just placeholder text that vanishes once a user starts typing. Screen reader users rely entirely on these labels to understand what information a field expects. A form without proper labels is effectively a locked door for anyone using assistive technology.

Here are the most common form-related failures we help clients correct:

Placeholder text used as the only label, disappearing once typing begins
Error messages that rely solely on color (red text) without a text description
Required fields marked only with an asterisk and no accessible explanation
Grouped fields, like billing address, lacking a fieldset and legend structure

Check 5: Does Your Site Structure Use Proper Semantic HTML?

Semantic HTML, correctly nested headings, landmark regions, and list structures, gives assistive technology a reliable map of your page. Without it, a screen reader user is left guessing where the navigation ends and the main content begins. Our team's analysis of client site audits revealed that pages built with proper heading hierarchies consistently scored better on both accessibility tools and general SEO crawlability, since search engines parse semantic structure much the same way assistive technology does.

Frequently Asked Questions

Q: What does WCAG stand for?
A: WCAG stands for Web Content Accessibility Guidelines, an internationally recognized standard that defines how to make web content usable for people with a range of disabilities.

Q: Is web accessibility a legal requirement in India?
A: Indian guidelines increasingly reference WCAG standards for government and public-facing digital services, and adopting them proactively protects your business as regulations continue to evolve.

Q: How often should we audit our site for accessibility?
A: You should conduct a thorough accessibility review at least twice a year, and after any significant redesign, since new features can quietly introduce fresh barriers.

Q: Does improving accessibility affect SEO?
A: Yes, many accessibility practices, semantic HTML, alt text, and clear heading structures, directly support how search engines crawl and rank your content.

About the Author

Rajendaran is the Lead Digital Strategist at Cpluz, where he blends creative design with data-driven marketing strategies to help Indian businesses build powerful and profitable online presences. He has guided technology and e-commerce clients across India through practical WCAG audits, helping them build genuinely inclusive, higher-converting websites.

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