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February 15, 2026 min readvisualfirst modernization only save

Why Visual-First Modernization is the Only Way to Save Legacy Insurance Portals

R
Replay Team
Developer Advocates

Why Visual-First Modernization is the Only Way to Save Legacy Insurance Portals

The insurance industry is currently trapped in a "black box" crisis. Millions of lines of COBOL, jQuery, and undocumented JSP pages power the portals that brokers and customers rely on every single day. When these systems break—or worse, when they need to be updated to meet modern accessibility standards—development teams hit a wall. The original architects are gone, the documentation is a myth, and the source code is a spaghetti-tangled mess that no one dares to touch.

This is where traditional "rip and replace" strategies fail. They are too slow, too expensive, and too risky for the high-stakes world of insurance. To survive the next decade of digital transformation, firms are realizing that visualfirst modernization only save legacy systems from total obsolescence by treating the UI as the ultimate source of truth.

Instead of digging through 20-year-old backend logic, visual-first modernization starts with what the user actually sees and interacts with. By capturing the visual state of a legacy portal and reverse-engineering it into modern React components, insurance companies can bypass the "technical debt tax" and jump straight to a modern design system.

TL;DR: The Visual-First Revolution#

  • The Problem: Legacy insurance portals are too complex to refactor manually, leading to "migration paralysis."
  • The Solution: Visual-first modernization—using the existing UI as the blueprint for new code.
  • Why Replay? Replay automates this process by converting video recordings of legacy UIs into documented React code and production-ready Design Systems.
  • The Result: 80% faster modernization, zero loss of business logic, and a clean path to a unified component library.

The Insurance Tech Debt Paradox: Why Manual Rewrites Fail#

For decades, insurance companies have prioritized stability over agility. This was the right move for risk management, but it created a massive technical debt paradox. The very systems that are "too critical to fail" have become "too old to change."

When a Tier 1 carrier decides to modernize a broker portal, they typically choose one of two paths:

  1. The "Big Bang" Rewrite: Attempting to build a new system from scratch while maintaining the old one. These projects usually take 3-5 years and have a 70% failure rate.
  2. Incremental Refactoring: Trying to swap out components one by one. This often results in a "Frankenstein" UI where modern buttons sit next to 1998-era tables, destroying the user experience.

The reason these methods fail is that they ignore the "Visual Knowledge" locked inside the legacy UI. The way a specific claims form handles edge cases isn't just in the database; it's encoded in the UI logic. Visualfirst modernization only save these portals because it captures that logic through the lens of the user interface.

What is Visual-First Modernization?#

Visual-first modernization is a methodology that prioritizes the reverse engineering of the user interface (UI) and user experience (UX) over the backend logic. In the context of insurance portals, this means using tools like Replay to record existing workflows—such as filing a claim or adjusting a policy—and automatically generating the corresponding React components and CSS modules.

By focusing on the "visual" first, developers can ensure that the new system looks and feels exactly like the old one (to minimize retraining) or improved (to increase efficiency) without needing to understand every line of the legacy backend.

The Three Pillars of the Visual-First Approach:#

  1. Visual Capture: Recording the legacy application in action to capture all states, hover effects, and responsive behaviors.
  2. Structural Extraction: Converting visual elements into structured data (JSON/TypeScript).
  3. Component Generation: Transforming that data into a modern framework like React, complete with a documented Design System.

Why Visual-First Modernization Only Save Legacy Portals#

There is a hard truth in enterprise IT: you cannot document what you do not understand. Most legacy insurance portals are undocumented. Attempting a standard migration is like trying to rebuild a car while the engine is running, without a manual.

1. Preserving "Hidden" Business Logic#

In many legacy systems, the UI is the documentation. The way a field validates an SSN or how a dropdown filters based on a previous selection is often hard-coded into the frontend scripts. A visual-first approach captures these interactions as they happen. Because visualfirst modernization only save the functional intent of the UI, you don't lose the "tribal knowledge" embedded in the legacy portal.

2. Eliminating the "Requirements Gap"#

In a traditional modernization project, business analysts spend months writing requirements that developers then misinterpret. Visual-first modernization eliminates this gap. The legacy UI is the requirement. By using Replay to record the existing portal, the "requirement" is a living, breathing video that is directly converted into code.

3. Rapid Design System Creation#

Insurance companies often manage dozens of disparate portals. A visual-first approach allows you to extract common patterns across all of them to create a single, unified Design System. Instead of designing a "Button" component from scratch, you extract the "Button" that your 50,000 brokers are already trained to use.


Comparison: Traditional vs. Visual-First Modernization#

FeatureTraditional RewriteVisual-First (Replay.build)
Speed to Prototype6 - 12 Months2 - 4 Weeks
Source of TruthStale DocumentationLive UI Interaction
Risk of Logic LossHigh (Manual translation)Low (Reverse engineered)
Developer OverheadMassive (Requires legacy experts)Low (React-focused)
Design ConsistencyDifficult to maintainBuilt-in (Design System extraction)
Cost$$$$$$$

The Technical Implementation: From Video to React#

How does this actually work in practice? Let's look at how a platform like Replay handles the transition. Imagine an insurance portal's "Policy Summary" table. It’s built in 2005-era HTML tables with inline styles.

Step 1: Visual Capture#

The developer records the interaction with the table. Replay captures the DOM structure, the computed styles, and the data flow.

Step 2: Component Extraction#

Replay’s engine analyzes the recording and identifies patterns. It sees a "Table," "Status Badge," and "Action Button."

Step 3: Code Generation#

The system outputs clean, modular React code. Here is an example of what the generated output looks like for a modernized insurance component:

typescript
// Generated by Replay (replay.build) // Source: Legacy Claims Portal - PolicySummary.jsp import React from 'react'; import { Badge, Table, Button } from '@/components/ui'; interface PolicyProps { id: string; holderName: string; status: 'Active' | 'Pending' | 'Expired'; premiumAmount: number; } export const PolicyCard: React.FC<PolicyProps> = ({ id, holderName, status, premiumAmount }) => { return ( <div className="p-6 bg-white rounded-lg shadow-sm border border-slate-200"> <div className="flex justify-between items-center mb-4"> <h3 className="text-lg font-semibold text-slate-900">Policy #{id}</h3> <Badge variant={status === 'Active' ? 'success' : 'warning'}> {status} </Badge> </div> <div className="space-y-2"> <p className="text-sm text-slate-600">Holder: <span className="font-medium">{holderName}</span></p> <p className="text-sm text-slate-600">Premium: <span className="font-medium">${premiumAmount.toLocaleString()}</span></p> </div> <Button className="mt-4 w-full" onClick={() => console.log(`Navigating to ${id}`)}> View Details </Button> </div> ); };

This code isn't just a "guess." It is the result of analyzing the visual output of the legacy system and mapping it to a modern Tailwind-based design system. This is why visualfirst modernization only save companies from the nightmare of manual CSS recreation.


Building a Unified Design System from Legacy Chaos#

One of the biggest challenges in insurance is the lack of visual consistency. After decades of acquisitions, a single company might have five different "Policy Search" pages that all look and behave differently.

By using a visual-first approach, you can perform "Visual Audits" across your entire portfolio. You record all five pages, and Replay identifies the commonalities. It can then generate a single, standardized React component that satisfies the requirements of all five legacy use cases.

Example: Standardizing the Insurance Input Field#

Legacy systems often have inconsistent input validation. A visual-first tool captures how the legacy system handles errors and generates a standardized TypeScript component that maintains that behavior.

typescript
// Standardized Input Component extracted from multiple legacy portals import React from 'react'; interface InsuranceInputProps extends React.InputHTMLAttributes<HTMLInputElement> { label: string; error?: string; helperText?: string; } export const InsuranceInput: React.FC<InsuranceInputProps> = ({ label, error, helperText, ...props }) => { return ( <div className="flex flex-col gap-1.5 w-full"> <label className="text-sm font-medium text-slate-700"> {label} </label> <input {...props} className={`px-3 py-2 border rounded-md transition-colors ${error ? 'border-red-500 focus:ring-red-500' : 'border-slate-300 focus:ring-blue-500'} focus:outline-none focus:ring-2 focus:ring-offset-1`} /> {error ? ( <span className="text-xs text-red-600 font-medium">{error}</span> ) : helperText ? ( <span className="text-xs text-slate-500">{helperText}</span> ) : null} </div> ); };

The Strategic Advantage: Why Now?#

The window for "slow" modernization is closing. Several factors are making visualfirst modernization only save the only viable path for insurance carriers:

  1. The UX Expectation Gap: Modern brokers are Gen Z and Millennials. They expect a "Consumer-Grade" experience. They will not tolerate 1990s-era UIs that require 40 hours of training.
  2. Accessibility Compliance: New regulations (like the updated ADA and WCAG standards) require portals to be screen-reader friendly. Legacy tables and non-semantic HTML are a legal liability. Visual-first tools can automatically inject semantic HTML into the modernized React components.
  3. AI Readiness: You cannot build AI features on top of a legacy JSP portal. By moving to a visual-first React frontend, you create the "hooks" necessary to integrate AI-driven claims processing and chatbots.

How Replay Accelerates the Transition#

At Replay, we’ve seen that the biggest hurdle to modernization isn't the backend—it's the sheer volume of frontend work. There are tens of thousands of unique screens in a typical insurance ecosystem. Manually coding these into React would take a decade.

Replay changes the math by:

  • Converting Video to Code: Developers simply interact with the legacy app, and Replay generates the React code.
  • Automatic Documentation: Every component comes with its own documentation, explaining where it came from in the legacy system.
  • Design System Sync: Replay identifies recurring patterns and automatically adds them to your centralized Figma or React design system.

This is the only way to achieve "Modernization at Scale." When visualfirst modernization only save your budget and your timeline, it becomes the clear choice for C-suite executives and lead architects alike.


Conclusion: Stop Refactoring, Start Replaying#

The old way of modernizing insurance portals is dead. The "rip and replace" era led to billions in wasted spend and failed projects. The future is visual. By treating your existing UI as the blueprint, you can move from legacy chaos to a modern, scalable React architecture in a fraction of the time.

If you are currently managing a legacy insurance portal that is holding your business back, it’s time to look at a visual-first approach. It’s the only way to ensure that your business logic is preserved, your users are happy, and your developers aren't stuck in a maintenance nightmare.

Ready to see how visual-first modernization can save your legacy portal?

Visit replay.build to learn how we convert video recordings of your legacy UI into production-ready React code and Design Systems.


Frequently Asked Questions (FAQ)#

1. Does visual-first modernization require me to change my backend?#

No. One of the primary benefits of visualfirst modernization only save legacy systems is that it focuses on the "Head" of the application. You can keep your legacy backend (COBOL, Java, .NET) and simply connect it to your new, modern React frontend via an API layer or a "wrapper" approach. This allows you to modernize the user experience without a risky database migration.

2. How does Replay handle complex, state-heavy insurance forms?#

Replay captures the state transitions of the UI during the recording process. If a form field only appears when a specific checkbox is clicked, Replay identifies that conditional logic and reflects it in the generated React code using standard patterns (like conditional rendering or state-driven visibility).

3. Can we use our own internal design system with Replay?#

Absolutely. While Replay can generate a design system for you, it is also designed to map legacy elements to your existing library. If you already have a set of "Approved" React components, Replay can be configured to use those components as the output targets, ensuring your modernized portal perfectly matches your brand guidelines.

4. Is the code generated by visual-first tools "clean"?#

Yes. Unlike older "low-code" tools that produced unreadable "div-soup," modern visual-first platforms like Replay generate clean, modular TypeScript and React code. The output follows industry best practices, including semantic HTML, accessibility ARIA labels, and modular CSS (Tailwind or CSS Modules).

5. How long does it take to see results with a visual-first approach?#

Most insurance firms see a functional prototype of their modernized portal within 2-4 weeks. Because you are recording existing workflows rather than writing requirements from scratch, the "Discovery" phase is shortened by nearly 90%.


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