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core-js vs Segment

Based on 1843 and 107 real audits

View core-js details | View Segment details
Metriccore-jsSegmentWinner
Performance3635core-js
Accessibility8890Segment
Best Practices8585Tie
SEO9192Segment
Security6767Tie
TTFB439ms215msSegment
Composite7474Tie
Performance
core-js
36
Segment
35
Accessibility
core-js
88
Segment
90
Security
core-js
67
Segment
67
SEO
core-js
91
Segment
92
Composite
core-js
74
Segment
74

Segment outperforms core-js in 3 of 7 categories, with a stronger composite score (74 vs 74). core-js leads in performance.

When to choose core-js

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

When to choose Segment

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

How this comparison was built

Scores are medians across 1843 audited core-js sites and 107 audited Segment 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 Segment?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (36 vs 35 on average).
Which has better security, core-js or Segment?
core-js sites score higher on security analysis (67 vs 67 on average).
Which has better accessibility, core-js or Segment?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Segment (90 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 Segment?
Segment 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 Segment?
Segment sites show lower Time to First Byte (215 ms vs 439 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 Segment 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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