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Cloudflare vs Day.js

Based on 3202 and 14 real audits

View Cloudflare details | View Day.js details
MetricCloudflareDay.jsWinner
Performance5440Cloudflare
Accessibility8978Cloudflare
Best Practices8883Cloudflare
SEO9092Day.js
Security7368Cloudflare
TTFB371ms475msCloudflare
Composite7875Cloudflare
Performance
Cloudflare
54
Day.js
40
Accessibility
Cloudflare
89
Day.js
78
Security
Cloudflare
73
Day.js
68
SEO
Cloudflare
90
Day.js
92
Composite
Cloudflare
78
Day.js
75

Cloudflare outperforms Day.js in 6 of 7 categories, with a stronger composite score (78 vs 75). Day.js leads in SEO.

When to choose Cloudflare

Choose Cloudflare 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 Day.js

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

How this comparison was built

Scores are medians across 3202 audited Cloudflare sites and 14 audited Day.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, Cloudflare or Day.js?
Based on real BeaverCheck audits, Cloudflare sites score higher on Lighthouse performance (54 vs 40 on average).
Which has better security, Cloudflare or Day.js?
Cloudflare sites score higher on security analysis (73 vs 68 on average).
Which has better accessibility, Cloudflare or Day.js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Cloudflare (89 vs 78). 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, Cloudflare or Day.js?
Day.js sites score higher on Lighthouse SEO signals (92 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), Cloudflare or Day.js?
Cloudflare sites show lower Time to First Byte (371 ms vs 475 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 Cloudflare or Day.js for my website?
Both platforms have trade-offs. Cloudflare scores higher on overall composite score while Cloudflare 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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