Castleheaters
castleheaters.co.uk
Castle Heaters is a UK-based ecommerce store specializing in luxury electric heating solutions, including outdoor infrared heaters, smart WiFi panel heaters, and convection heaters. The brand positions itself as a premium provider of modern, efficient heating systems for residential properties, offering next-day delivery across the UK mainland.
Performance Needs Attention
This store scores 44/100 on PageSpeed, which is below the recommended threshold of 50. Consider optimizing images, reducing JavaScript, and enabling better caching.
Products
13
Collections
11
Pages
10
Blog Posts
7
CommerceRank Score
Overall store health assessment based on 5 key factors
52/100
Top Recommendations
- Critical: PageSpeed below 50 is hurting conversions
- PageSpeed is 12 points below Home Improvement category average (56)
- 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
Home Improvement Ranking
#2 / 334
Top 1% in category
Category Avg Performance
56
-12 below avg
Category Avg LCP
1.8s
Slower than avg
Performance
Accessibility
SEO
Core Web Vitals
1.9s
Largest Contentful Paint
0.010
Cumulative Layout Shift
163ms
Interaction to Next Paint
Additional Metrics
1.0s
First Contentful Paint
374ms
Time to First Byte
9.4s
Speed Index
Store Audit
Actionable insights compared to 503 Home Improvement stores
#4 in Home Improvement
Top 1% of stores
99% below average
13 products vs 1,558 avg
Faster than 99% of Home Improvement stores
PageSpeed score: 44/100
Category Benchmarks
Compared to 503 stores in Home Improvement
99% below average
avg
87% below average
avg
57% below average
avg
87% below average
avg
Theme & Design
Theme Name
BespokeType
Custom / Bespoke
Tech Stack
Platform
shopify
Reviews Platform
judge.me
Payment / Finance
Business Profile
Store maturity and operational indicators
Stable
NaN+ year
Since Invalid Date
Top 10% largest catalog
Top 1% by catalog size
low
Basic content (10 pages)
Tech Stack Maturity
Advanced stack
Business Sophistication
Developing
Store Timeline & History
Feb 2026
Similar Home Improvement Stores
Other home improvement stores with similar size
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About Castleheaters
Castleheaters is a home improvement ecommerce store built on shopify and operating in US. The store currently offers 13 products organized across 11 collections, making it comparable in size for the home improvement category.
Theme and Design
Castleheaters uses the Bespoke theme, a custom-built solution tailored specifically for this store. This theme choice provides the foundation for their online presence.
Performance Analysis
Based on Google PageSpeed Insights, Castleheaters achieves a performance score of 44/100 on mobile devices. This score indicates significant opportunities for performance optimization, which could improve conversions and search rankings. The store also scores 82/100 for accessibility and 85/100 for SEO optimization.
Tech Stack
Beyond the core Shopify platform, Castleheaters uses judge.me for customer reviews and offers PayPal, Klarna for payment flexibility.
Competitive Positioning
Within the Home Improvement category, Castleheaters ranks #4 out of 503 stores we track. This places them in the top 1% of home improvement stores by product catalog size.
Last scanned
Feb 22, 2026
