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core-js vs reCAPTCHA

Based on 1599 and 375 real audits

View core-js details | View reCAPTCHA details
Metriccore-jsreCAPTCHAWinner
Performance3635core-js
Accessibility8888Tie
Best Practices8485reCAPTCHA
SEO9191Tie
Security6566reCAPTCHA
TTFB379ms311msreCAPTCHA
Composite7272Tie
Performance
core-js
36
reCAPTCHA
35
Accessibility
core-js
88
reCAPTCHA
88
Security
core-js
65
reCAPTCHA
66
SEO
core-js
91
reCAPTCHA
91
Composite
core-js
72
reCAPTCHA
72

reCAPTCHA outperforms core-js in 3 of 7 categories, with a stronger composite score (72 vs 72). core-js leads in performance.

When to choose core-js

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

When to choose reCAPTCHA

Choose reCAPTCHA when your primary concern is server response time and best practices. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 1599 audited core-js sites and 375 audited reCAPTCHA 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 reCAPTCHA?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (36 vs 35 on average).
Which has better security, core-js or reCAPTCHA?
reCAPTCHA sites score higher on security analysis (66 vs 65 on average).
Which has better accessibility, core-js or reCAPTCHA?
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 reCAPTCHA?
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 reCAPTCHA?
reCAPTCHA sites show lower Time to First Byte (311 ms vs 379 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 reCAPTCHA 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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