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core-js vs Tealium AudienceStream

Based on 1582 and 4 real audits

View core-js details | View Tealium AudienceStream details
Metriccore-jsTealium AudienceStreamWinner
Performance3630core-js
Accessibility8885core-js
Best Practices8482core-js
SEO9184core-js
Security6561core-js
TTFB374ms159msTealium AudienceStream
Composite7270core-js
Performance
core-js
36
Tealium AudienceStream
30
Accessibility
core-js
88
Tealium AudienceStream
85
Security
core-js
65
Tealium AudienceStream
61
SEO
core-js
91
Tealium AudienceStream
84
Composite
core-js
72
Tealium AudienceStream
70

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

When to choose core-js

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

When to choose Tealium AudienceStream

Choose Tealium AudienceStream when your primary concern is 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 4 audited Tealium AudienceStream 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 Tealium AudienceStream?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (36 vs 30 on average).
Which has better security, core-js or Tealium AudienceStream?
core-js sites score higher on security analysis (65 vs 61 on average).
Which has better accessibility, core-js or Tealium AudienceStream?
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, core-js or Tealium AudienceStream?
core-js sites score higher on Lighthouse SEO signals (91 vs 84 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 AudienceStream?
Tealium AudienceStream sites show lower Time to First Byte (159 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 AudienceStream 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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