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Adjust vs core-js

Based on 20 and 1747 real audits

View Adjust details | View core-js details
MetricAdjustcore-jsWinner
Performance3637core-js
Accessibility8588core-js
Best Practices8785Adjust
SEO8891core-js
Security6466core-js
TTFB400ms424msAdjust
Composite7373Tie
Performance
Adjust
36
core-js
37
Accessibility
Adjust
85
core-js
88
Security
Adjust
64
core-js
66
SEO
Adjust
88
core-js
91
Composite
Adjust
73
core-js
73

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

When to choose Adjust

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

How this comparison was built

Scores are medians across 20 audited Adjust sites and 1747 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, Adjust or core-js?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (37 vs 36 on average).
Which has better security, Adjust or core-js?
core-js sites score higher on security analysis (66 vs 64 on average).
Which has better accessibility, Adjust or core-js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor core-js (88 vs 85). 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, Adjust or core-js?
core-js sites score higher on Lighthouse SEO signals (91 vs 88 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), Adjust or core-js?
Adjust sites show lower Time to First Byte (400 ms vs 424 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 Adjust or core-js for my website?
Both platforms have trade-offs. core-js scores higher on overall composite score while Adjust 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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