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core-js vs iOS app

Based on 1599 and 62 real audits

Metriccore-jsiOS appWinner
Performance3640iOS app
Accessibility8887core-js
Best Practices8487iOS app
SEO9192iOS app
Security6567iOS app
TTFB379ms231msiOS app
Composite7274iOS app
Performance
core-js
36
iOS app
40
Accessibility
core-js
88
iOS app
87
Security
core-js
65
iOS app
67
SEO
core-js
91
iOS app
92
Composite
core-js
72
iOS app
74

iOS app outperforms core-js in 6 of 7 categories, with a stronger composite score (74 vs 72). core-js leads in accessibility.

When to choose core-js

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

When to choose iOS app

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

How this comparison was built

Scores are medians across 1599 audited core-js sites and 62 audited iOS app 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 iOS app?
Based on real BeaverCheck audits, iOS app sites score higher on Lighthouse performance (40 vs 36 on average).
Which has better security, core-js or iOS app?
iOS app sites score higher on security analysis (67 vs 65 on average).
Which has better accessibility, core-js or iOS app?
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 iOS app?
iOS app 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 iOS app?
iOS app sites show lower Time to First Byte (231 ms vs 379 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 iOS app for my website?
Both platforms have trade-offs. iOS app 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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