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AccessiBe vs core-js

Based on 23 and 1599 real audits

View AccessiBe details | View core-js details
MetricAccessiBecore-jsWinner
Performance3636Tie
Accessibility8788core-js
Best Practices8784AccessiBe
SEO9191Tie
Security6965AccessiBe
TTFB241ms379msAccessiBe
Composite7472AccessiBe
Performance
AccessiBe
36
core-js
36
Accessibility
AccessiBe
87
core-js
88
Security
AccessiBe
69
core-js
65
SEO
AccessiBe
91
core-js
91
Composite
AccessiBe
74
core-js
72

AccessiBe outperforms core-js in 4 of 7 categories, with a stronger composite score (74 vs 72). core-js leads in accessibility.

When to choose AccessiBe

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

How this comparison was built

Scores are medians across 23 audited AccessiBe sites and 1599 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, AccessiBe or core-js?
Based on real BeaverCheck audits, AccessiBe sites score higher on Lighthouse performance (36 vs 36 on average).
Which has better security, AccessiBe or core-js?
AccessiBe sites score higher on security analysis (69 vs 65 on average).
Which has better accessibility, AccessiBe or core-js?
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, AccessiBe or core-js?
AccessiBe sites score higher on Lighthouse SEO signals (91 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), AccessiBe or core-js?
AccessiBe sites show lower Time to First Byte (241 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 AccessiBe or core-js for my website?
Both platforms have trade-offs. AccessiBe scores higher on overall composite score while AccessiBe 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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