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core-js vs PayPal

Based on 1570 and 99 real audits

View core-js details | View PayPal details
Metriccore-jsPayPalWinner
Performance3640PayPal
Accessibility8888Tie
Best Practices8486PayPal
SEO9192PayPal
Security6570PayPal
TTFB371ms266msPayPal
Composite7274PayPal
Performance
core-js
36
PayPal
40
Accessibility
core-js
88
PayPal
88
Security
core-js
65
PayPal
70
SEO
core-js
91
PayPal
92
Composite
core-js
72
PayPal
74

PayPal outperforms core-js in 6 of 7 categories, with a stronger composite score (74 vs 72). core-js leads in no categories.

When to choose core-js

core-js doesn't clearly lead PayPal in any category on the sampled sites — pick it based on developer experience, ecosystem, or existing team skills rather than the audit scores.

When to choose PayPal

Choose PayPal 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 99 audited PayPal 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 PayPal?
Based on real BeaverCheck audits, PayPal sites score higher on Lighthouse performance (40 vs 36 on average).
Which has better security, core-js or PayPal?
PayPal sites score higher on security analysis (70 vs 65 on average).
Which has better accessibility, core-js or PayPal?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor core-js (88 vs 88). 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 PayPal?
PayPal 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 PayPal?
PayPal sites show lower Time to First Byte (266 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 PayPal for my website?
Both platforms have trade-offs. PayPal 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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