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

This Spa & Wellness

This Spa & Wellness

Engineered a bespoke WordPress wellness sanctuary website using Divi Builder with custom responsive layouts, interactive treatment menus, and high-converting service booking flows.

WordPress Development Divi Builder Custom CSS Wellness Sanctuary Booking Funnel
Core Fitness Platform

Core Fitness Platform

Architected a high-energy fitness and personal coaching platform built on WordPress and Divi Builder, featuring custom membership tier funnels, online training showcases, and lead generation.

WordPress Development Divi Builder Fitness Platform Membership Funnel High-Converting UI
Cowper Residences Footscray

Cowper Residences Footscray

Engineered bespoke WordPress theme customisations for Cowper Residences—a premier multi-residential real estate development in Footscray featuring luxury apartments, SOHOs, and townhouses with interactive floorplans and inquiry registration.

WordPress Customisation Real Estate Portal Interactive Floorplans Custom Post Types Lead Engine
SolarPlus Platform & Design Engine

SolarPlus Platform & Design Engine

Designed the end-to-end UI/UX and engineered the responsive front-end for SolarPlus—featuring custom WordPress architecture, solar array design tools, CRM workflows, and automated quotation systems.

Custom WordPress Solar Design Tool CRM & Quoting Engine UI/UX Engineering Frontend Architecture
Frasso Architecture & Web Catalog Design

Frasso Architecture & Web Catalog Design

Architected a bespoke web catalog and portfolio showcase template featuring editorial typography, interactive collection filtering, responsive project showcases, and ultra-fast visual rendering.

Web Catalog Template Architecture Studio Interactive Showcase Figma to Code Zero Layout Shift
Defensible Legal Platform

Defensible Legal Platform

Architected a bespoke corporate web platform and solicitor directory with sub-second critical path rendering, strict WCAG 2.1 AA accessibility, and zero layout shift.

Solicitor Directory Semantic HTML5 TypeScript 99 PageSpeed
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
Verified Client Proof

Rated 5.0 on Google Reviews

5.0
5 Google Reviews
Review on Google
Google Review

“I had a great experience working with Charles Sia Media. Charles was professional, responsive, and really easy to work with from start to finish. He understood exactly what I was looking for and delivered a clean, well-structured website that matched the brief perfectly. What stood out most was his communication and attention to detail, he kept me updated throughout the process, made changes quickly, and genuinely cared about getting the final result right. The turnaround time was also excellent. If you’re looking for reliable, high-quality web design work, I’d highly recommend Charles Sia Media. Will definitely be working with him again.”

IS
Ismail Saleem
Verified Client · 8 months ago · 1 Google review
Google Review

“We've been working with Chad for a long time now. He handles all our web design and we love him. He's a great guy and super easy to work with - and very responsive for those times where we need urgent help in a pinch. Chad is an absolute pleasure to work with!”

GJ
GypsyJazz Secrets
Client & Partner · 9 months ago · 4 Google reviews
Google Review

“I had a great experience working with Chad Sia on web design and WordPress development. Chad built a professional, easy-to-navigate website with a strong focus on conversions. The layout, calls to action, and overall user experience were thoughtfully structured to help turn visitors into leads. Highly recommended if you need someone who understands both WordPress development and conversion-focused web design.”

TP
Tech P3Music
Verified Client · Recent · Google review
Google Review

“Amazing work and completed the project in a timely fashion! Highly recommend!”

KK
Kevin Koeppel
Verified Client · 9 months ago · 13 Google reviews · 3 photos
Google Review

“legit and hassle free”

DK
dVillain .Kalaban
Local Guide · 8 months ago · 2 Google reviews · 11 photos
Verified Review

“Charles provided fast service 2-days ahead of schedule. He communicated well with me and frequently. He took feedback and adjusted the site to my requirements. A pleasure to do business with and I highly recommend him for web-site design.”

BW
Barry W.
Verified Client · Dec 14, 2025 · Web Design Client
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