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core-js vs PartnerStack

Based on 1582 and 14 real audits

View core-js details | View PartnerStack details
Metriccore-jsPartnerStackWinner
Performance3638PartnerStack
Accessibility8890PartnerStack
Best Practices8487PartnerStack
SEO9190core-js
Security6568PartnerStack
TTFB374ms195msPartnerStack
Composite7275PartnerStack
Performance
core-js
36
PartnerStack
38
Accessibility
core-js
88
PartnerStack
90
Security
core-js
65
PartnerStack
68
SEO
core-js
91
PartnerStack
90
Composite
core-js
72
PartnerStack
75

PartnerStack outperforms core-js in 6 of 7 categories, with a stronger composite score (75 vs 72). core-js leads in SEO.

When to choose core-js

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

When to choose PartnerStack

Choose PartnerStack 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 1582 audited core-js sites and 14 audited PartnerStack 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 PartnerStack?
Based on real BeaverCheck audits, PartnerStack sites score higher on Lighthouse performance (38 vs 36 on average).
Which has better security, core-js or PartnerStack?
PartnerStack sites score higher on security analysis (68 vs 65 on average).
Which has better accessibility, core-js or PartnerStack?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor PartnerStack (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, core-js or PartnerStack?
core-js sites score higher on Lighthouse SEO signals (91 vs 90 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 PartnerStack?
PartnerStack sites show lower Time to First Byte (195 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 PartnerStack for my website?
Both platforms have trade-offs. PartnerStack 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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