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Azure vs core-js

Based on 86 and 1688 real audits

View Azure details | View core-js details
MetricAzurecore-jsWinner
Performance4136Azure
Accessibility9288Azure
Best Practices8384core-js
SEO8991core-js
Security6766Azure
TTFB337ms396msAzure
Composite7373Tie
Performance
Azure
41
core-js
36
Accessibility
Azure
92
core-js
88
Security
Azure
67
core-js
66
SEO
Azure
89
core-js
91
Composite
Azure
73
core-js
73

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

When to choose Azure

Choose Azure when your primary concern is server response time and performance. 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 SEO 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 86 audited Azure sites and 1688 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, Azure or core-js?
Based on real BeaverCheck audits, Azure sites score higher on Lighthouse performance (41 vs 36 on average).
Which has better security, Azure or core-js?
Azure sites score higher on security analysis (67 vs 66 on average).
Which has better accessibility, Azure or core-js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Azure (92 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, Azure 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), Azure or core-js?
Azure sites show lower Time to First Byte (337 ms vs 396 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 Azure or core-js for my website?
Both platforms have trade-offs. Azure scores higher on overall composite score while Azure 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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