Undershirts
undershirts.co.uk
Robert Owen is a British men's undershirt specialist offering sweat-proof and performance undershirts in various styles including crew neck, V-neck, and long sleeve options. The brand focuses on high-quality undershirts designed and made in Britain, featuring materials like bamboo and micro modal to provide comfort and sweat protection.
Products
16
Collections
8
Pages
18
Blog Posts
47
CommerceRank Score
Overall store health assessment based on 5 key factors
65/100
Top Recommendations
- Improve PageSpeed performance to 70+ for better conversions
- Expand product catalog to improve store authority
PageSpeed Performance Analysis
Mobile performance from Google PageSpeed • 23 Feb 2026
Overall Ranking
#2 / 16375
Faster than 100% of stores
Fashion & Clothing Ranking
#2 / 2989
Top 0% in category
Category Avg Performance
57
+12 above avg
Category Avg LCP
1.9s
Faster than avg
Performance
Accessibility
SEO
Core Web Vitals
1.2s
Largest Contentful Paint
0.000
Cumulative Layout Shift
—
Interaction to Next Paint
Additional Metrics
1.0s
First Contentful Paint
—
Time to First Byte
4.1s
Speed Index
Store Audit
Actionable insights compared to 4419 Fashion & Clothing stores
#3 in Fashion & Clothing
Top 0% of stores
98% below average
16 products vs 819 avg
Faster than 100% of Fashion & Clothing stores
PageSpeed score: 69/100
Category Benchmarks
Compared to 4419 stores in Fashion & Clothing
98% below average
avg
91% below average
avg
56% below average
avg
47% above average
avg
Theme & Design
Tech Stack
Platform
shopify
Reviews Platform
Stamped
Payment / Finance
Business Profile
Store maturity and operational indicators
Stable
NaN+ year
Since Invalid Date
Top 10% largest catalog
Top 0% by catalog size
medium
Above-average content investment
Tech Stack Maturity
Advanced stack
Business Sophistication
Developing
Store Timeline & History
Feb 2026
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About Undershirts
Undershirts is a fashion & clothing ecommerce store built on shopify and operating in US. The store currently offers 16 products organized across 8 collections, making it comparable in size for the fashion & clothing category.
Theme and Design
Undershirts uses the Impulse theme from the Shopify Theme Store. This theme choice is used by 4% of fashion & clothing stores.
Performance Analysis
Based on Google PageSpeed Insights, Undershirts achieves a performance score of 69/100 on mobile devices. This moderate score suggests there may be opportunities to improve load times and user experience through optimization. The store also scores 82/100 for accessibility and 92/100 for SEO optimization.
Tech Stack
Beyond the core Shopify platform, Undershirts uses Stamped for customer reviews and offers Pipe, PayPal for payment flexibility.
Competitive Positioning
Within the Fashion & Clothing category, Undershirts ranks #3 out of 4419 stores we track. This places them in the top 0% of fashion & clothing stores by product catalog size.
Last scanned
Feb 22, 2026
