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Arc XP vs core-js

Based on 29 and 1582 real audits

View Arc XP details | View core-js details
MetricArc XPcore-jsWinner
Performance2436core-js
Accessibility8588core-js
Best Practices7984core-js
SEO9091core-js
Security6265core-js
TTFB303ms374msArc XP
Composite7072core-js
Performance
Arc XP
24
core-js
36
Accessibility
Arc XP
85
core-js
88
Security
Arc XP
62
core-js
65
SEO
Arc XP
90
core-js
91
Composite
Arc XP
70
core-js
72

core-js outperforms Arc XP in 6 of 7 categories, with a stronger composite score (72 vs 70). Arc XP leads in TTFB.

When to choose Arc XP

Choose Arc XP when your primary concern is server response time. Its audit data shows consistent strength in these areas across the sampled sites.

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.

How this comparison was built

Scores are medians across 29 audited Arc XP sites and 1582 audited core-js 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, Arc XP or core-js?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (36 vs 24 on average).
Which has better security, Arc XP or core-js?
core-js sites score higher on security analysis (65 vs 62 on average).
Which has better accessibility, Arc XP or core-js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor core-js (88 vs 85). 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, Arc XP or core-js?
core-js sites score higher on Lighthouse SEO signals (91 vs 90 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), Arc XP or core-js?
Arc XP sites show lower Time to First Byte (303 ms vs 374 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 Arc XP or core-js for my website?
Both platforms have trade-offs. core-js scores higher on overall composite score while Arc XP 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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