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core-js vs Tealium

Based on 1582 and 57 real audits

View core-js details | View Tealium details
Metriccore-jsTealiumWinner
Performance3636Tie
Accessibility8891Tealium
Best Practices8484Tie
SEO9189core-js
Security6564core-js
TTFB374ms372msTealium
Composite7272Tie
Performance
core-js
36
Tealium
36
Accessibility
core-js
88
Tealium
91
Security
core-js
65
Tealium
64
SEO
core-js
91
Tealium
89
Composite
core-js
72
Tealium
72

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

When to choose core-js

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

When to choose Tealium

Choose Tealium when your primary concern is accessibility and server response time. 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 57 audited Tealium 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 Tealium?
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 Tealium?
core-js sites score higher on security analysis (65 vs 64 on average).
Which has better accessibility, core-js or Tealium?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Tealium (91 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 Tealium?
core-js sites score higher on Lighthouse SEO signals (91 vs 89 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 Tealium?
Tealium sites show lower Time to First Byte (372 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 core-js or Tealium 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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