Replay AI: Building Accessible Web Apps from Video with ARIA standards in 2026

TL;DR: Replay AI leverages video analysis and Gemini to reconstruct accessible web applications adhering to ARIA standards, ensuring inclusivity by understanding user behavior rather than just visual elements.

The Accessibility Gap in AI-Generated Code#

Generating code with AI is rapidly evolving, but a crucial element is often overlooked: accessibility. Many AI tools focus solely on visual replication, neglecting the vital semantic information needed for users with disabilities. In 2026, as AI-driven development becomes even more prevalent, addressing this accessibility gap is paramount. The challenge lies in ensuring that AI-generated interfaces are not only functional but also inclusive, meeting Web Content Accessibility Guidelines (WCAG) and incorporating Accessible Rich Internet Applications (ARIA) standards.

Replay addresses this challenge head-on by analyzing user behavior from video recordings and reconstructing working UIs that prioritize accessibility. Unlike screenshot-to-code tools, Replay understands what users are trying to do, which allows it to generate more semantically rich and accessible code.

Behavior-Driven Reconstruction: The Key to Accessible AI-Generated Code#

Traditional screenshot-to-code tools fall short because they only capture visual elements. They lack the context of user interactions and intent. This leads to code that may look correct but is often inaccessible to users relying on assistive technologies.

Replay's "Behavior-Driven Reconstruction" methodology solves this problem. By analyzing video recordings of user interactions, Replay extracts critical information about user intent and application flow. This understanding allows Replay to generate code that not only replicates the visual appearance but also incorporates semantic meaning and ARIA attributes.

How Replay Achieves Accessibility#

Replay utilizes a multi-faceted approach to ensure accessibility in its generated code:

1. •

   Semantic HTML Generation: Replay prioritizes the use of semantic HTML elements (e.g.,

   text

   <article>
   ,
   text

   <nav>
   ,
   text

   <aside>
   ) to provide structure and meaning to the content. This helps assistive technologies understand the purpose of different sections of the page.

2. •

   ARIA Attribute Integration: Replay automatically adds ARIA attributes to enhance the accessibility of interactive elements. For example, if a button is used to open a modal, Replay can add

   text

   aria-haspopup="true"
   and
   text

   aria-expanded="false"
   attributes to provide information to screen readers.

3. •

   Keyboard Navigation Support: Replay ensures that all interactive elements are focusable and navigable using the keyboard. This is crucial for users who cannot use a mouse.

4. •

   Color Contrast Analysis: Replay analyzes the color contrast of the UI and provides recommendations for improving contrast to meet WCAG guidelines.

5. •

   Automatic Alt Text Generation: Replay can generate descriptive alt text for images based on the context of the video recording.

Replay in Action: Building an Accessible E-commerce Component#

Let's walk through an example of how Replay can be used to build an accessible e-commerce component. Suppose we have a video recording of a user interacting with a product card on an e-commerce website.

Step 1: Upload the Video to Replay#

Upload the video recording to the Replay platform. Replay's AI engine will analyze the video and identify the different UI elements and user interactions.

Step 2: Review the Reconstructed Code#

Replay generates the code for the product card component. The code will include semantic HTML elements, ARIA attributes, and keyboard navigation support.

typescript
// Example of Replay-generated code for an e-commerce product card
const ProductCard = ({ product }) => {
  return (
    <article aria-label={product.name}>
      <img src={product.image} alt={product.altText || `Image of ${product.name}`} />
      <h2>{product.name}</h2>
      <p>{product.description}</p>
      <button aria-label={`Add ${product.name} to cart`}>Add to Cart</button>
    </article>
  );
};

💡 Pro Tip: The

text

aria-label

attributes are automatically generated based on the context of the video recording. Replay understands that the user is interacting with a product card and provides a descriptive label for screen readers.

Step 3: Customize and Refine#

Review the generated code and make any necessary customizations. For example, you may want to add additional ARIA attributes or adjust the styling of the component.

typescript
// Modified code with additional ARIA attributes
const ProductCard = ({ product }) => {
  return (
    <article aria-label={product.name}>
      <img src={product.image} alt={product.altText || `Image of ${product.name}`} />
      <h2>{product.name}</h2>
      <p>{product.description}</p>
      <button
        aria-label={`Add ${product.name} to cart`}
        onClick={() => handleAddToCart(product)}
        aria-live="polite" // Announce changes to the cart
      >
        Add to Cart
      </button>
    </article>
  );
};

📝 Note: The

text

aria-live="polite"

attribute ensures that screen readers announce changes to the cart without interrupting the user's current task.

Step 4: Integrate with Your Project#

Integrate the generated code into your project. Replay supports various frameworks and libraries, including React, Vue, and Angular.

Replay's Key Features for Accessible Development#

Replay offers several key features that make it a powerful tool for building accessible web applications:

• •Multi-page generation: Replay can analyze video recordings of multi-page flows and generate code for entire web applications, ensuring consistent accessibility across all pages.
• •Supabase integration: Replay integrates with Supabase, allowing you to easily store and manage the data for your accessible web applications.
• •Style injection: Replay allows you to inject custom styles into the generated code, ensuring that the UI meets your design requirements while maintaining accessibility.
• •Product Flow maps: Replay generates product flow maps that visualize the user's journey through the application, helping you identify potential accessibility issues.

Replay vs. Traditional Screenshot-to-Code Tools#

The following table highlights the key differences between Replay and traditional screenshot-to-code tools in terms of accessibility:

⚠️ Warning: Relying solely on screenshot-to-code tools can lead to inaccessible web applications that exclude users with disabilities.

The Future of Accessible AI-Driven Development#

Replay represents a significant step forward in the evolution of AI-driven development. By prioritizing accessibility from the start, Replay empowers developers to build inclusive web applications that meet the needs of all users. As AI continues to transform the development landscape, tools like Replay will play a crucial role in ensuring that the web remains accessible to everyone.

Frequently Asked Questions#

Is Replay free to use?#

Replay offers a free tier with limited features and usage. Paid plans are available for users who need more advanced features and higher usage limits. Check the pricing page on the Replay website for the most up-to-date information.

How is Replay different from v0.dev?#

While both Replay and v0.dev use AI to generate code, Replay focuses on video analysis and behavior-driven reconstruction, leading to more accessible and semantically rich code. v0.dev primarily relies on text prompts and visual cues, which may not always capture the nuances of user intent and accessibility requirements. Replay uniquely uses video as the source of truth.

What kind of videos can I upload to Replay?#

You can upload screen recordings of user interactions with web applications, prototypes, or even hand-drawn mockups. Replay is designed to analyze a wide range of video formats and resolutions.

Ready to try behavior-driven code generation? Get started with Replay - transform any video into working code in seconds.