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Astra vs core-js

Based on 15 and 1747 real audits

View Astra details | View core-js details
MetricAstracore-jsWinner
Performance5237Astra
Accessibility8988Astra
Best Practices8785Astra
SEO8991core-js
Security7466Astra
TTFB2080ms424mscore-js
Composite7973Astra
Performance
Astra
52
core-js
37
Accessibility
Astra
89
core-js
88
Security
Astra
74
core-js
66
SEO
Astra
89
core-js
91
Composite
Astra
79
core-js
73

Astra outperforms core-js in 5 of 7 categories, with a stronger composite score (79 vs 73). core-js leads in SEO, TTFB.

When to choose Astra

Choose Astra 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 and SEO. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 15 audited Astra 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, Astra or core-js?
Based on real BeaverCheck audits, Astra sites score higher on Lighthouse performance (52 vs 37 on average).
Which has better security, Astra or core-js?
Astra sites score higher on security analysis (74 vs 66 on average).
Which has better accessibility, Astra or core-js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Astra (89 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, Astra 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), Astra or core-js?
core-js sites show lower Time to First Byte (424 ms vs 2080 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 Astra or core-js for my website?
Both platforms have trade-offs. Astra scores higher on overall composite score while Astra 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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