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core-js vs Piano Analytics

Based on 1582 and 24 real audits

View core-js details | View Piano Analytics details
Metriccore-jsPiano AnalyticsWinner
Performance3644Piano Analytics
Accessibility8888Tie
Best Practices8491Piano Analytics
SEO9193Piano Analytics
Security6563core-js
TTFB374ms291msPiano Analytics
Composite7272Tie
Performance
core-js
36
Piano Analytics
44
Accessibility
core-js
88
Piano Analytics
88
Security
core-js
65
Piano Analytics
63
SEO
core-js
91
Piano Analytics
93
Composite
core-js
72
Piano Analytics
72

Piano Analytics outperforms core-js in 4 of 7 categories, with a stronger composite score (72 vs 72). core-js leads in security.

When to choose core-js

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

When to choose Piano Analytics

Choose Piano Analytics 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 1582 audited core-js sites and 24 audited Piano Analytics 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 Piano Analytics?
Based on real BeaverCheck audits, Piano Analytics sites score higher on Lighthouse performance (44 vs 36 on average).
Which has better security, core-js or Piano Analytics?
core-js sites score higher on security analysis (65 vs 63 on average).
Which has better accessibility, core-js or Piano Analytics?
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 Piano Analytics?
Piano Analytics sites score higher on Lighthouse SEO signals (93 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 Piano Analytics?
Piano Analytics sites show lower Time to First Byte (291 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 Piano Analytics for my website?
Both platforms have trade-offs. Piano Analytics 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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