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Day.js vs Facebook SDK

Based on 14 and 735 real audits

View Day.js details | View Facebook SDK details
MetricDay.jsFacebook SDKWinner
Performance4033Day.js
Accessibility7888Facebook SDK
Best Practices8380Day.js
SEO9292Tie
Security6866Day.js
TTFB475ms464msFacebook SDK
Composite7573Day.js
Performance
Day.js
40
Facebook SDK
33
Accessibility
Day.js
78
Facebook SDK
88
Security
Day.js
68
Facebook SDK
66
SEO
Day.js
92
Facebook SDK
92
Composite
Day.js
75
Facebook SDK
73

Day.js outperforms Facebook SDK in 4 of 7 categories, with a stronger composite score (75 vs 73). Facebook SDK leads in accessibility, TTFB.

When to choose Day.js

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

When to choose Facebook SDK

Choose Facebook SDK 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 14 audited Day.js sites and 735 audited Facebook SDK 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, Day.js or Facebook SDK?
Based on real BeaverCheck audits, Day.js sites score higher on Lighthouse performance (40 vs 33 on average).
Which has better security, Day.js or Facebook SDK?
Day.js sites score higher on security analysis (68 vs 66 on average).
Which has better accessibility, Day.js or Facebook SDK?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Facebook SDK (88 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, Day.js or Facebook SDK?
Day.js sites score higher on Lighthouse SEO signals (92 vs 92 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), Day.js or Facebook SDK?
Facebook SDK sites show lower Time to First Byte (464 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 Day.js or Facebook SDK for my website?
Both platforms have trade-offs. Day.js scores higher on overall composite score while Day.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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