Liquid Template & App Script Optimization for Shopify Store

The Challenge

Project Overview

Koby Feldmos needed speed optimization on their Shopify store to improve the shopping experience and boost conversion rates.

The store's theme was loading slowly due to excessive app scripts, unoptimized images, and render-blocking resources impacting the customer experience.

The Goals

Goals & Objectives

The primary goal of this project was to improve Google's Core Web Vitals, site speed, and overall user experience and usability.

Our primary goals were to:

• Reduce mobile LCP below 2.5s
• Achieve perfect desktop performance score
• Eliminate Total Blocking Time on both devices

The Solution

Our Approach

A systematic, step-by-step process tailored to Koby Feldmos's needs.

1. 1

   Shopify Performance Audit

   Identified bottlenecks in theme, apps, and media.

2. 2

   Theme Optimization

   Streamlined Liquid templates and CSS delivery.

3. 3

   App Script Management

   Deferred and optimized third-party app loading.

4. 4

   Image Optimization

   Optimized product and collection images.

5. 5

   Performance Validation

   Confirmed improvements with testing tools.

The Results

Outcomes

Core metrics that improved over the duration of the project.

• 90% Mobile LCP Reduction. Mobile LCP dropped from 24.8s to 2.4s, a 90% improvement.
• 100 Desktop Perf Score. Desktop performance score improved from 62 to a perfect 100.
• 89% Mobile SI Reduction. Mobile Speed Index improved from 19.4s to 2.1s, an 89% improvement.

Lessons

Key Takeaways

• Shopify app scripts often account for the majority of load time.
• Theme optimization delivers consistent improvements across all pages.
• Faster stores convert better, speed is a competitive advantage.