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core-js vs Shop Pay

Based on 1570 and 45 real audits

View core-js details | View Shop Pay details
Metriccore-jsShop PayWinner
Performance3629core-js
Accessibility8887core-js
Best Practices8481core-js
SEO9192Shop Pay
Security6572Shop Pay
TTFB371ms226msShop Pay
Composite7273Shop Pay
Performance
core-js
36
Shop Pay
29
Accessibility
core-js
88
Shop Pay
87
Security
core-js
65
Shop Pay
72
SEO
core-js
91
Shop Pay
92
Composite
core-js
72
Shop Pay
73

Shop Pay outperforms core-js in 4 of 7 categories, with a stronger composite score (73 vs 72). core-js leads in performance, accessibility, best practices.

When to choose core-js

Choose core-js when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose Shop Pay

Choose Shop Pay when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 1570 audited core-js sites and 45 audited Shop Pay sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →

FAQ

Which is faster, core-js or Shop Pay?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (36 vs 29 on average).
Which has better security, core-js or Shop Pay?
Shop Pay sites score higher on security analysis (72 vs 65 on average).
Which has better accessibility, core-js or Shop Pay?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor core-js (88 vs 87). Both technologies can be made fully accessible with care — the difference reflects common patterns in the sampled sites, not inherent platform limits.
Which is better for SEO, core-js or Shop Pay?
Shop Pay sites score higher on Lighthouse SEO signals (92 vs 91 on average), which cover meta tags, crawlability, mobile friendliness, and structured data. Content strategy and backlinks still matter more than platform choice for ranking.
Which has faster server response (TTFB), core-js or Shop Pay?
Shop Pay sites show lower Time to First Byte (226 ms vs 371 ms on average). TTFB depends heavily on hosting and CDN setup rather than the technology itself, but the sampled sites suggest a meaningful difference in common deployment patterns.
Should I choose core-js or Shop Pay for my website?
Both platforms have trade-offs. core-js scores higher on overall composite score while core-js may excel in metrics you care about most. Run a free BeaverCheck audit on a real site using each to compare the metrics relevant to your use case.
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