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Your site vs. core-js average

Your site
78
core-js average
72
CategoryYour scorePeer avgDeltaPercentile
Performance7472+2
Security7965+14
Accessibility8259+23
SEO9190+1
Infrastructure8386-3
Compliance6378-15
Content6783-16
Sustainability6368-5

Better than 90% of core-js sites

Category: JavaScript libraries

core-js

Based on 1570 real audits

36
Avg. Performance
88
Avg. Accessibility
84
Avg. Best Practices
91
Avg. SEO
65
Avg. Security
72
Avg. Composite
36 /100
Avg. Performance
371 ms
Avg. TTFB
72 /100
Avg. Composite
1570
Sites Audited

How core-js sites compare

core-js sites tend to score below average on performance (36/100), compared to the global average of 65/100.

SitePerformanceGradeAudited
splsezzespa.it66C2026-05-26
conad.it41B2026-05-26
plunketts.net35C2026-05-26
uol.com.br28C2026-05-25
banco.bradesco33C2026-05-25
dr.dk28C2026-05-22
peakhealthandfitness.co.uk52C2026-05-21
mindmx.org34B2026-05-20
bodonu.no22C2026-05-19
mindmx.org38B2026-05-18

FAQ

What is the average Lighthouse performance score for core-js sites?
Based on 1570 real audits, core-js sites score an average of 36/100 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 371ms based on 1570 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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