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core-js vs YouTube

Based on 1841 and 340 real audits

View core-js details | View YouTube details
Metriccore-jsYouTubeWinner
Performance3736core-js
Accessibility8888Tie
Best Practices8586YouTube
SEO9191Tie
Security6766core-js
TTFB439ms458mscore-js
Composite7473core-js
Performance
core-js
37
YouTube
36
Accessibility
core-js
88
YouTube
88
Security
core-js
67
YouTube
66
SEO
core-js
91
YouTube
91
Composite
core-js
74
YouTube
73

core-js outperforms YouTube in 4 of 7 categories, with a stronger composite score (74 vs 73). YouTube leads in best practices.

When to choose core-js

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

When to choose YouTube

Choose YouTube when your primary concern is best practices. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 1841 audited core-js sites and 340 audited YouTube 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 YouTube?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (37 vs 36 on average).
Which has better security, core-js or YouTube?
core-js sites score higher on security analysis (67 vs 66 on average).
Which has better accessibility, core-js or YouTube?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor core-js (88 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 YouTube?
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 YouTube?
core-js sites show lower Time to First Byte (439 ms vs 458 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 YouTube 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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