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Explore the blog →Head-to-head SEO performance comparison based on real data
Based on 11,806 pages across 15 websites
| Dimension | BigCommerce | Shopify |
|---|---|---|
|
Overall SEO Score
Average SEO score across all pages
|
56.7/100 | 72.2/100 |
|
Core Web Vitals (LCP)
Largest Contentful Paint — lower is faster
|
10.51s | 11.20s |
|
Core Web Vitals (CLS)
Cumulative Layout Shift — lower means less visual jank
|
0.12 | 0.26 |
|
Content Readability
AI-assessed readability score
|
77.8/100 | 71.1/100 |
|
Alt Text Compliance
Percentage of images with alt text
|
43.6% | 69.5% |
|
Structured Data Adoption
Percentage of pages with structured data
|
31.5% | 28.7% |
|
Title-Content Consistency
How well page titles match content
|
0.0/100 | 0.0/100 |
|
Internal Link Density
Average incoming internal links per page
|
40 | 38 |
|
Broken Link Rate
Average on-page errors per page — lower is better
|
N/A | N/A |
|
Page Speed
Average page load time — lower is faster
|
1.44s | 4.44s |
|
Average Content Length
Average word count across all pages
|
695 words | 252 words |
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