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core-js vs Proofpoint

Based on 1810 and 378 real audits

View core-js details | View Proofpoint details
Metriccore-jsProofpointWinner
Performance3735core-js
Accessibility8889Proofpoint
Best Practices8585Tie
SEO9189core-js
Security6767Tie
TTFB430ms306msProofpoint
Composite7372core-js
Performance
core-js
37
Proofpoint
35
Accessibility
core-js
88
Proofpoint
89
Security
core-js
67
Proofpoint
67
SEO
core-js
91
Proofpoint
89
Composite
core-js
73
Proofpoint
72

core-js outperforms Proofpoint in 3 of 7 categories, with a stronger composite score (73 vs 72). Proofpoint leads in accessibility, TTFB.

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.

When to choose Proofpoint

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

How this comparison was built

Scores are medians across 1810 audited core-js sites and 378 audited Proofpoint 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 Proofpoint?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (37 vs 35 on average).
Which has better security, core-js or Proofpoint?
core-js sites score higher on security analysis (67 vs 67 on average).
Which has better accessibility, core-js or Proofpoint?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Proofpoint (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, core-js or Proofpoint?
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), core-js or Proofpoint?
Proofpoint sites show lower Time to First Byte (306 ms vs 430 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 Proofpoint for my website?
Both platforms have trade-offs. core-js 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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