App Rationalization & Collection Page Optimization for Shopify Store
Fashion & Apparel · < 10 Employees · Shopify
77%
Mobile LCP Reduction
100
Desktop Perf Score
94%
Mobile TBT Reduction
Project Overview
Lamar Collective is a Shopify store with a large product catalog that needed speed optimization to improve the shopping experience and search rankings.
The large number of products, combined with heavy theme customizations and multiple Shopify apps, created significant performance issues particularly on collection and product pages.
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 across devices
- Company Name
- Lamar Collective
- Company Size
- < 10 Employees
- Industry
- Fashion & Apparel
- Platform
- Shopify
Outcomes:
Core metrics that improved over the duration of the project.
77%
Mobile LCP Reduction
Mobile LCP dropped from 12.4s to 2.8s — a 77% improvement.
100
Desktop Perf Score
Desktop performance score improved from 87 to a perfect 100.
94%
Mobile TBT Reduction
Mobile TBT reduced from 160ms to just 10ms.
Before vs After
Before
| Metric | Score |
|---|---|
| Mobile Perf Score | 58 |
| Desktop Perf Score | 87 |
| Mobile FCP | 5.1s |
| Desktop FCP | 0.6s |
| Mobile LCP | 12.4s |
| Desktop LCP | 1.6s |
| Mobile TBT | 160ms |
| Desktop TBT | 210ms |
| Mobile CLS | 0 |
| Desktop CLS | 0.001 |
| Mobile SI | 6.5s |
| Desktop SI | 0.9s |
After
| Metric | Score |
|---|---|
| Mobile Perf Score | 90+ |
| Desktop Perf Score | 100 |
| Mobile FCP | 2.0s |
| Desktop FCP | 0.3s |
| Mobile LCP | 2.8s |
| Desktop LCP | 0.6s |
| Mobile TBT | 10ms |
| Desktop TBT | 0ms |
| Mobile CLS | 0 |
| Desktop CLS | 0.002 |
| Mobile SI | 2.9s |
| Desktop SI | 0.9s |
Our Approach
A systematic, step-by-step process tailored to Lamar Collective's needs.
Shopify Audit
Full audit of theme, apps, and product page performance.
Theme Optimization
Streamlined Liquid templates and reduced unnecessary code.
App Optimization
Optimized app script loading and removed redundant apps.
Image Optimization
Implemented proper sizing and lazy loading for product images.
Collection Page Optimization
Improved performance on high-traffic collection pages.
Key Takeaways
Large Shopify catalogs need collection-page-specific optimization strategies.
App rationalization is one of the fastest ways to improve Shopify performance.
Product image optimization at scale delivers compounding improvements.
Latest Case Studies
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