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Complianz vs core-js

Based on 19 and 1841 real audits

View Complianz details | View core-js details
MetricComplianzcore-jsWinner
Performance4637Complianz
Accessibility8888Tie
Best Practices8985Complianz
SEO9291Complianz
Security7267Complianz
TTFB603ms439mscore-js
Composite7874Complianz
Performance
Complianz
46
core-js
37
Accessibility
Complianz
88
core-js
88
Security
Complianz
72
core-js
67
SEO
Complianz
92
core-js
91
Composite
Complianz
78
core-js
74

Complianz outperforms core-js in 5 of 7 categories, with a stronger composite score (78 vs 74). core-js leads in TTFB.

When to choose Complianz

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

How this comparison was built

Scores are medians across 19 audited Complianz sites and 1841 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, Complianz or core-js?
Based on real BeaverCheck audits, Complianz sites score higher on Lighthouse performance (46 vs 37 on average).
Which has better security, Complianz or core-js?
Complianz sites score higher on security analysis (72 vs 67 on average).
Which has better accessibility, Complianz or core-js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Complianz (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, Complianz or core-js?
Complianz sites score higher on Lighthouse SEO signals (92 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), Complianz or core-js?
core-js sites show lower Time to First Byte (439 ms vs 603 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 Complianz or core-js for my website?
Both platforms have trade-offs. Complianz scores higher on overall composite score while Complianz 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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