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TurboHELOC

A high-converting fintech landing page for a HELOC lender. Built with Astro + React islands architecture for optimal performance. Features an interactive equity calculator with real-time donut chart visualization, 4-step pre-qualification form, comparison tables, FAQ accordion, and blog CTA section. Fully responsive with pixel-perfect Figma-to-code execution.

Live fintech
95+ Lighthouse score
TurboHELOC, fintech project by Isaac Benyakar
95+ Lighthouse Score
12 Sections Built
4 Form Steps
85% Max LTV

01

The challenge

The client needed a high-converting landing page that could explain a complex financial product (HELOC) simply, build trust with borrowers, and capture pre-qualification leads, all while meeting strict financial compliance requirements.

02

The solution

Designed and built a 12-section single-page experience with interactive tools that let users self-qualify. The calculator gives instant borrowing estimates, reducing friction. Astro's islands architecture ensures sub-second load times while keeping React interactivity where it matters.

03

How it was built

  1. 01 Astro + React islands for optimal performance/interactivity balance
  2. 02 Custom slider and donut chart components for the HELOC calculator
  3. 03 Mobile-first responsive design with Tailwind CSS
  4. 04 Structured data (FinancialProduct JSON-LD) for SEO

04

Technical deep-dive

Built on Astro with React islands: static sections (Hero, How It Works, Footer) ship zero JS, while interactive components (Calculator, Comparison Table, FAQ, Use Cases carousel) hydrate on visibility via client:visible. The HELOC calculator computes borrowing power in real-time using 80% LTV with a $750K cap, rendered as a custom SVG donut chart. The pre-qualification form uses client:load for instant availability when triggered from any CTA button.

05

Growth and SEO

Targeted high-intent keywords like "HELOC calculator", "home equity line of credit rates", and "HELOC pre-qualification". Implemented FinancialProduct structured data for rich search results. The comparison table and FAQ sections capture long-tail queries around HELOC vs mortgage differences and eligibility requirements.

06

Outcomes

No. Result
01 Pixel-perfect implementation from Figma designs across desktop and mobile
02 12 fully responsive sections with React islands for interactivity
03 Sub-second FCP with Astro static HTML + selective hydration
04 Full compliance with financial disclosure requirements (TCPA, Equal Housing, Privacy)

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