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Software Development • E-commerce

E-commerce Checkout Optimization

Performance wins for checkout

2025 6 min read ShopKart
E-commerce Checkout Optimization

Before & After

E-commerce Checkout Optimization - Before
E-commerce Checkout Optimization - After
Before After

Overview

Complex catalog, mobile latency, and third-party scripts hurt conversions.

The Problem

High drop-off at shipping; LCP over 2.5s on mobile.

Goals

  • Reduce checkout drop-off
  • Improve LCP

Approach

  • Audit RUM data
  • Prioritize critical path
  • Preload key routes

Solution

Inline critical CSS

Defer non-critical JS

Compress hero media

Results

LCP 0.8s and +47% conversion rate; fewer support tickets and faster funnel.

+47%
Conversion
0.8s
LCP

Challenges & How We Solved Them

Challenges

Legacy DOM, bloated JS, and image strategy gaps.

SEO & Performance

95
Lighthouse

Timeline

Project -
May 1, 2025 – Jul 24, 2025

What the Client Said

“Timely Coders beat our targets ahead of schedule.”
- Jane Mwangi, COO

Team & Roles

A. Kim
Tech Lead

FAQs

~10 weeks

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