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core-js vs Matomo Tag Manager

Based on 1747 and 33 real audits

View core-js details | View Matomo Tag Manager details
Metriccore-jsMatomo Tag ManagerWinner
Performance3748Matomo Tag Manager
Accessibility8889Matomo Tag Manager
Best Practices8590Matomo Tag Manager
SEO9191Tie
Security6667Matomo Tag Manager
TTFB424ms320msMatomo Tag Manager
Composite7375Matomo Tag Manager
Performance
core-js
37
Matomo Tag Manager
48
Accessibility
core-js
88
Matomo Tag Manager
89
Security
core-js
66
Matomo Tag Manager
67
SEO
core-js
91
Matomo Tag Manager
91
Composite
core-js
73
Matomo Tag Manager
75

Matomo Tag Manager outperforms core-js in 6 of 7 categories, with a stronger composite score (75 vs 73). core-js leads in no categories.

When to choose core-js

core-js doesn't clearly lead Matomo Tag Manager in any category on the sampled sites — pick it based on developer experience, ecosystem, or existing team skills rather than the audit scores.

When to choose Matomo Tag Manager

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

How this comparison was built

Scores are medians across 1747 audited core-js sites and 33 audited Matomo Tag Manager 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 Matomo Tag Manager?
Based on real BeaverCheck audits, Matomo Tag Manager sites score higher on Lighthouse performance (48 vs 37 on average).
Which has better security, core-js or Matomo Tag Manager?
Matomo Tag Manager sites score higher on security analysis (67 vs 66 on average).
Which has better accessibility, core-js or Matomo Tag Manager?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Matomo Tag Manager (89 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 Matomo Tag Manager?
core-js 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), core-js or Matomo Tag Manager?
Matomo Tag Manager sites show lower Time to First Byte (320 ms vs 424 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 Matomo Tag Manager for my website?
Both platforms have trade-offs. Matomo Tag Manager 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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