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Adobe Experience Manager vs core-js

Based on 179 and 1726 real audits

View Adobe Experience Manager details | View core-js details
MetricAdobe Experience Managercore-jsWinner
Performance3437core-js
Accessibility9088Adobe Experience Manager
Best Practices8484Tie
SEO8991core-js
Security6766Adobe Experience Manager
TTFB352ms421msAdobe Experience Manager
Composite7373Tie
Performance
Adobe Experience Manager
34
core-js
37
Accessibility
Adobe Experience Manager
90
core-js
88
Security
Adobe Experience Manager
67
core-js
66
SEO
Adobe Experience Manager
89
core-js
91
Composite
Adobe Experience Manager
73
core-js
73

Adobe Experience Manager outperforms core-js in 3 of 7 categories, with a stronger composite score (73 vs 73). core-js leads in performance, SEO.

When to choose Adobe Experience Manager

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

How this comparison was built

Scores are medians across 179 audited Adobe Experience Manager sites and 1726 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, Adobe Experience Manager or core-js?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (37 vs 34 on average).
Which has better security, Adobe Experience Manager or core-js?
Adobe Experience Manager sites score higher on security analysis (67 vs 66 on average).
Which has better accessibility, Adobe Experience Manager or core-js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Adobe Experience Manager (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, Adobe Experience Manager or core-js?
core-js sites score higher on Lighthouse SEO signals (91 vs 89 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), Adobe Experience Manager or core-js?
Adobe Experience Manager sites show lower Time to First Byte (352 ms vs 421 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 Adobe Experience Manager or core-js for my website?
Both platforms have trade-offs. core-js scores higher on overall composite score while Adobe Experience Manager 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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