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core-js vs Mapbox GL JS

Based on 1582 and 5 real audits

View core-js details | View Mapbox GL JS details
Metriccore-jsMapbox GL JSWinner
Performance3636Tie
Accessibility8886core-js
Best Practices8486Mapbox GL JS
SEO9186core-js
Security6569Mapbox GL JS
TTFB374ms396mscore-js
Composite7273Mapbox GL JS
Performance
core-js
36
Mapbox GL JS
36
Accessibility
core-js
88
Mapbox GL JS
86
Security
core-js
65
Mapbox GL JS
69
SEO
core-js
91
Mapbox GL JS
86
Composite
core-js
72
Mapbox GL JS
73

core-js and Mapbox GL JS are closely matched, each leading in different categories. core-js has a composite score of 72 while Mapbox GL JS scores 73.

When to choose core-js

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

When to choose Mapbox GL JS

Choose Mapbox GL JS when your primary concern is security 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 1582 audited core-js sites and 5 audited Mapbox GL 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 →

Small sample: one or both technologies have fewer than 10 audited sites. Treat these numbers as directional — medians stabilize around 20–30 audits per side.

FAQ

Which is faster, core-js or Mapbox GL JS?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (36 vs 36 on average).
Which has better security, core-js or Mapbox GL JS?
Mapbox GL JS sites score higher on security analysis (69 vs 65 on average).
Which has better accessibility, core-js or Mapbox GL JS?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor core-js (88 vs 86). 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 Mapbox GL JS?
core-js sites score higher on Lighthouse SEO signals (91 vs 86 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 Mapbox GL JS?
core-js sites show lower Time to First Byte (374 ms vs 396 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 Mapbox GL JS 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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