Conversion Funnel Engineering

High-Converting Landing Pages Engineered for Paid & Organic ROI

Stop wasting ad spend on slow, generic landing pages. We build sub-second, bespoke landing pages and multi-step conversion funnels designed to maximize ROAS on Google Ads, Meta, and LinkedIn campaigns.

Core Stack: HTML5 / Modern CSS TypeScript React / Vue Tailwind / Vanilla CSS GSAP Motion Webpack / Vite
chadsia.com / services / landing-page-development
Verified Build
High-Converting Landing Pages Engineered for Paid & Organic ROI
99 PageSpeed Sub-Second LCP
Senior Engineering 17+ Veteran Craft
Landing Page Engineering

Precision Lead Generation & Direct-Response Architectures

We combine direct-response psychology with senior front-end engineering to create landing pages that outperform competitors in any market.

PPC & Paid Acquisition Landing Pages

Engineered specifically for Google Search, Meta Ads, and LinkedIn campaigns with 10/10 Quality Score performance to lower CPCs.

  • Sub-50KB total asset footprint
  • Message-matched dynamic text replacement
  • Instant above-the-fold value proposition

Multi-Step Interactive Funnels

Interactive quiz and assessment funnels that qualify prospects step-by-step, dramatically increasing form completion rates.

  • Conditional logic branching
  • Frictionless single-input step progression
  • Instant CRM lead routing & tagging

A/B Split Testing & Heatmap Instrumentation

Built-in tracking for A/B testing variations, scroll depth, element clicks, and automated conversion attribution.

  • Clean Google Tag Manager & GA4 data layer
  • Server-side conversion API (CAPI) sync
  • Heatmap & session recording integration

Mobile-First Thumb-Zone UX

Every button, form field, and interactive element is ergonomically placed for effortless mobile one-thumb interaction.

  • Sticky conversion action bars
  • Mobile-optimized keyboard inputs
  • Zero horizontal overflow or layout shift

High-Velocity A/B Testing Infrastructure

Built-in split testing architecture for testing hero headlines, CTA placements, pricing cards, and lead forms with zero flicker and zero speed penalty.

  • Zero-Flicker Client/Server Split Testing
  • Statistical Significance Tracking
  • Multi-Variant Form Experimentation
  • Dynamic Text Replacement for Ads

Ad Platform Tracking & Conversion API (CAPI)

Server-side conversion tracking setup for Meta CAPI, Google Ads Enhanced Conversions, and LinkedIn Insight Tag for 100% data accuracy.

  • Meta Conversions API (CAPI) Setup
  • Google Enhanced Conversions
  • Server-Side Google Tag Manager
  • Accurate Attribution & ROAS Data
The Performance Advantage

Custom Coded Landing Pages vs Unbounce / ClickFunnels

< 400ms Mobile

Sub-Second Ad Load Speed

Your page loads in under 400ms on 4G mobile, capturing impatient ad traffic before they bounce back to search results.

-30% Cost Per Lead

Lower Ad Spend & Higher ROAS

Higher Google Quality Scores directly reduce your cost-per-click, allowing you to acquire more qualified leads for the same ad budget.

Zero SaaS Fees

Zero Monthly Platform Fees

You own your landing pages completely within your WordPress or custom domain without paying $150-$500/mo for SaaS page builders.

Instant Webhook

Direct CRM & Webhook Automation

Send leads straight to GoHighLevel, HubSpot, Salesforce, or custom webhooks with zero third-party delay.

Funnel Case Studies

High-Converting Landing Pages in Production

Defensible Legal Platform & Design System
Enterprise LegalTech 0.4s FCP · 99 PageSpeed

Defensible Legal Platform & Design System

Architected a bespoke corporate web platform and modular design token library with sub-second critical path rendering and enterprise accessibility.

Semantic HTML5 Vanilla CSS Tokens TypeScript 99 PageSpeed
Atlas App Interactive Client Portal & SaaS UI
SaaS & Mobile Web App +142% Onboarding Completion

Atlas App Interactive Client Portal & SaaS UI

Engineered an ultra-responsive client console and interactive application workflow with zero-bloat state management and real-time data visualizers.

Interactive UI Modern JS Responsive Web Custom API
Casa Halo High-Aesthetic Digital Experience
Luxury Real Estate Sub-Second Visual LCP

Casa Halo High-Aesthetic Digital Experience

Designed a cinematic, fluid-scrolling editorial front-end with hardware-accelerated micro-animations, rich typography, and frictionless direct booking inquiries.

GSAP Motion Modern CSS Grid WebP Assets Luxury UX
BluSonil Direct-to-Consumer Conversion Store
HealthTech & DTC +88% Checkout Velocity

BluSonil Direct-to-Consumer Conversion Store

Engineered a bespoke, frictionless checkout architecture and modular product showcase optimized for instant mobile commerce and sub-second load times.

WooCommerce Headless Sub-second LCP Conversion UX
GypsyJazz Digital Media & Learning Hub
Media & Community Platform 100% Core Web Vitals Pass

GypsyJazz Digital Media & Learning Hub

Built a media-rich front-end architecture with custom video player integration, interactive community feeds, and instant search indexing.

Custom WordPress Fast Media Pipeline A11y AA Pass
CRA Apartments Multi-Family Property Hub
Commercial Real Estate +165% Organic Lead Capture

CRA Apartments Multi-Family Property Hub

Transformed a multi-property portfolio into a high-performance leasing hub with interactive unit filtering, floorplan viewers, and instant tour booking.

Interactive Maps Sub-second Filter Lead Funnels
Funnel Roadmap

Our 4-Step Landing Page Sprint

01

Offer Positioning & Wireframe Architecture

We analyze your ad campaigns, define your core hook, structure the visual hierarchy, and map the multi-step conversion flow.

  • Direct-Response Copy Architecture
  • Conversion Wireframe Blueprint
02

High-Fidelity UI & Token Styling

We design stunning, conversion-engineered page layouts with high-contrast CTAs, social proof elements, and trust badges.

  • Figma High-Fidelity Design
  • Mobile-Ergonomic Component Layout
03

Sub-Second Code & Analytics Engineering

We write hand-crafted HTML5/CSS, implement GTM/CAPI tracking pixels, and connect two-way CRM lead routing webhooks.

  • Zero-Bloat Coded Landing Page
  • GTM & Server-Side CAPI Setup
04

A/B Variant Setup & Live Deployment

We configure split testing variants, test form submissions across devices, and launch on your custom sub-domain.

  • Live A/B Testing Environment
  • Speed & Conversion QA Sign-Off
Senior Funnel Engineer

Direct Collaboration with a Conversion Optimization Specialist

Led by Chad Sia, we build precision landing pages that convert ad traffic into revenue. We partner directly with performance marketing agencies and brand founders to maximize ROAS.

17+
Direct Craft
0%
Middle-Men
100%
Custom Code

"We treat every line of code as an investment in your business speed, security, and conversion metrics."

CS

Chad Sia

Founder & Principal Engineer · Since 2009
Common Inquiries

Frequently Asked Questions

How quickly can you design, build, and launch a custom landing page?

Our rapid landing page sprints are typically completed within 5 to 7 business days from kickoff to live ad deployment, including all CRM integrations and tracking setup.

Can we run A/B split tests on different headlines and offers?

Yes. We configure lightweight, server-side or Cloudflare edge A/B split testing that splits traffic seamlessly without layout shifts or performance penalties.

Which CRMs and email marketing tools can you integrate with?

We integrate directly with GoHighLevel, HubSpot, ActiveCampaign, Klaviyo, Salesforce, Mailchimp, Zapier, Make, and custom REST API endpoints.

Do your landing pages pass all Google Ads landing page experience requirements?

Yes. With sub-second load times, 100% mobile responsiveness, transparent privacy disclosures, and high relevance to your ad copy, our pages regularly achieve 10/10 Quality Scores on Google Ads.
Supercharge Your Ad Campaigns

Ready to Convert More Ad Clicks into Paying Customers?

Book a landing page strategy sprint to review your campaigns and receive a custom conversion funnel blueprint.

Book Your Landing Page Sprint