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Category: JavaScript libraries

Day.js

Based on 11 real audits

41
Avg. Performance
77
Avg. Accessibility
83
Avg. Best Practices
94
Avg. SEO
65
Avg. Security
74
Avg. Composite
41 /100
Avg. Performance
493 ms
Avg. TTFB
74 /100
Avg. Composite
11
Sites Audited

How Day.js sites compare

Day.js sites tend to score below average on performance (41/100), compared to the global average of 66/100.

Recent Audits

See all 11 websites using Day.js →
SitePerformanceGradeAudited
plunketts.net35C2026-05-26
umt.edu31C2026-04-22
xataka.com27C2026-04-22
ncaa.com27C2026-04-22
wccftech.com46C2026-04-22
icbc.com.cn9D2026-04-22
doi.gov56C2026-04-22
bis.org37C2026-04-21
swr.de67C2026-04-21
alipay.com59C2026-04-21

Commonly Used With

Sites that use Day.js also commonly use:

Open Graph Miscellaneous 9jQuery JavaScript libraries 9Google Search Console Analytics 8Google Tag Manager Tag managers 7Google Analytics Analytics 6core-js JavaScript libraries 6Microsoft 365 Email 6Cloudflare DNS 5Apple Analytics 4PHP Programming languages 3

Compare with...

Day.js vs Open GraphDay.js vs jQueryDay.js vs Google Search ConsoleDay.js vs Google Tag ManagerDay.js vs Google AnalyticsDay.js vs core-jsDay.js vs Microsoft 365Day.js vs CloudflareDay.js vs AppleDay.js vs PHP

FAQ

What is the average Lighthouse performance score for Day.js sites?
Based on 11 real audits, Day.js sites score an average of 41/100 on Lighthouse performance.
How does Day.js compare on web security?
Day.js sites score an average security grade of 65/100 in BeaverCheck audits.
What is the average page load time for Day.js websites?
The average Time to First Byte (TTFB) for Day.js sites is 493ms based on 11 audits.
How can I improve my Day.js site's performance?
Run a free audit on BeaverCheck to get specific recommendations for your Day.js site. Common issues include render-blocking resources, unoptimized images, and missing caching headers.

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