Liquid Template & App Script Optimization for Shopify Store
E-Commerce · < 10 Employees · Shopify
90%
Mobile LCP Reduction
100
Desktop Perf Score
89%
Mobile SI Reduction
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.
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
- Company Name
- Koby Feldmos
- Company Size
- < 10 Employees
- Industry
- E-Commerce
- Platform
- Shopify
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.
Before vs After
Before
| Metric | Score |
|---|---|
| Mobile Perf Score | 58 |
| Desktop Perf Score | 62 |
| Mobile FCP | 3.5s |
| Desktop FCP | 0.6s |
| Mobile LCP | 24.8s |
| Desktop LCP | 3.6s |
| Mobile TBT | 110ms |
| Desktop TBT | 30ms |
| Mobile CLS | 0 |
| Desktop CLS | 0.224 |
| Mobile SI | 19.4s |
| Desktop SI | 3.1s |
After
| Metric | Score |
|---|---|
| Mobile Perf Score | 96 |
| Desktop Perf Score | 100 |
| Mobile FCP | 2.1s |
| Desktop FCP | 0.5s |
| Mobile LCP | 2.4s |
| Desktop LCP | 0.7s |
| Mobile TBT | 0ms |
| Desktop TBT | 0ms |
| Mobile CLS | 0 |
| Desktop CLS | 0 |
| Mobile SI | 2.1s |
| Desktop SI | 0.6s |
Our Approach
A systematic, step-by-step process tailored to Koby Feldmos's needs.
Shopify Performance Audit
Identified bottlenecks in theme, apps, and media.
Theme Optimization
Streamlined Liquid templates and CSS delivery.
App Script Management
Deferred and optimized third-party app loading.
Image Optimization
Optimized product and collection images.
Performance Validation
Confirmed improvements with testing tools.
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.
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