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Browser-Update.org vs core-js

Based on 10 and 2041 real audits

View Browser-Update.org details | View core-js details
MetricBrowser-Update.orgcore-jsWinner
Performance4737Browser-Update.org
Accessibility9088Browser-Update.org
Best Practices9386Browser-Update.org
SEO9491Browser-Update.org
Security6668core-js
TTFB483ms483msTie
Composite7374core-js
Performance
Browser-Update.org
47
core-js
37
Accessibility
Browser-Update.org
90
core-js
88
Security
Browser-Update.org
66
core-js
68
SEO
Browser-Update.org
94
core-js
91
Composite
Browser-Update.org
73
core-js
74

Browser-Update.org outperforms core-js in 4 of 7 categories, with a stronger composite score (73 vs 74). core-js leads in security, composite score.

When to choose Browser-Update.org

Choose Browser-Update.org when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.

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.

How this comparison was built

Scores are medians across 10 audited Browser-Update.org sites and 2041 audited core-js 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, Browser-Update.org or core-js?
Based on real BeaverCheck audits, Browser-Update.org sites score higher on Lighthouse performance (47 vs 37 on average).
Which has better security, Browser-Update.org or core-js?
core-js sites score higher on security analysis (68 vs 66 on average).
Which has better accessibility, Browser-Update.org or core-js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Browser-Update.org (90 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, Browser-Update.org or core-js?
Browser-Update.org sites score higher on Lighthouse SEO signals (94 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), Browser-Update.org or core-js?
Browser-Update.org sites show lower Time to First Byte (483 ms vs 483 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 Browser-Update.org or core-js for my website?
Both platforms have trade-offs. Browser-Update.org scores higher on overall composite score while Browser-Update.org 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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