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Your site vs. core-js average

Your site
71
core-js average
72
CategoryYour scorePeer avgDelta
Performance7772+5
Security6365-2
Accessibility4957-8
SEO9089+1
Infrastructure8886+2
Compliance6878-10
Content7683-7
Sustainability7868+10

Better than 24% of core-js sites

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core-js

Based on 388 real audits

34
Avg. Performance
87
Avg. Accessibility
84
Avg. Best Practices
91
Avg. SEO
65
Avg. Security
72
Avg. Composite
34 /100
Avg. Performance
330 ms
Avg. TTFB
72 /100
Avg. Composite
388
Sites Audited

How core-js sites compare

core-js sites tend to score below average on performance (34/100), compared to the global average of 44/100.

Recent Audits

SitePerformanceGradeAudited
jetbrains.com39C2026-04-16
xbox.com5C2026-04-16
shopeemobile.com58C2026-04-16
focus.de46C2026-04-16
zhihu.com31D2026-04-16
agoda.com36C2026-04-16
seznam.cz23C2026-04-16
themeforest.net85C2026-04-16
playrix.com48C2026-04-16
me.com36C2026-04-16

Commonly Used With

Sites that use core-js also commonly use:

Open Graph Miscellaneous 343Google Tag Manager Tag managers 266Google Search Console Analytics 262Priority Hints Performance 202HSTS Security 201Google Analytics Analytics 193Microsoft Analytics 174Webpack Build Tool 140React JavaScript frameworks 138jQuery JavaScript libraries 130

Compare with...

core-js vs Open Graphcore-js vs Google Tag Managercore-js vs Google Search Consolecore-js vs Priority Hintscore-js vs HSTScore-js vs Google Analyticscore-js vs Microsoftcore-js vs Webpackcore-js vs Reactcore-js vs jQuery

FAQ

What is the average Lighthouse performance score for core-js sites?
Based on 388 real audits, core-js sites score an average of 34/100 on Lighthouse performance.
How does core-js compare on web security?
core-js sites score an average security grade of 65/100 in BeaverCheck audits.
What is the average page load time for core-js websites?
The average Time to First Byte (TTFB) for core-js sites is 330ms based on 388 audits.
How can I improve my core-js site's performance?
Run a free audit on BeaverCheck to get specific recommendations for your core-js site. Common issues include render-blocking resources, unoptimized images, and missing caching headers.

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