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Your site vs. core-js average

Your site
71
core-js average
72
CategoryYour scorePeer avgDelta
Performance7971+8
Security6264-2
Accessibility3758-21
SEO9390+3
Infrastructure9086+4
Compliance7879-1
Content7783-6
Sustainability7868+10

Better than 25% of core-js sites

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core-js

Based on 1444 real audits

36
Avg. Performance
88
Avg. Accessibility
84
Avg. Best Practices
91
Avg. SEO
64
Avg. Security
72
Avg. Composite
36 /100
Avg. Performance
360 ms
Avg. TTFB
72 /100
Avg. Composite
1444
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 46/100.

Recent Audits

SitePerformanceGradeAudited
loopia.se40C2026-04-22
postandcourier.com26C2026-04-22
uaf.edu34D2026-04-22
link.space23C2026-04-22
nbcphiladelphia.com25C2026-04-22
mailenable.com88C2026-04-22
mobirise.info52C2026-04-22
optinmonster.com15C2026-04-22
givebutter.com49C2026-04-22
hotpepper.jp49D2026-04-22

Commonly Used With

Sites that use core-js also commonly use:

Open Graph Miscellaneous 1242Google Search Console Analytics 1145Google Tag Manager Tag managers 1094Google Analytics Analytics 855Microsoft Analytics 803jQuery JavaScript libraries 716HSTS Security 669Priority Hints Performance 642Facebook SDK Analytics 515Facebook Analytics 513

Compare with...

core-js vs Open Graphcore-js vs Google Search Consolecore-js vs Google Tag Managercore-js vs Google Analyticscore-js vs Microsoftcore-js vs jQuerycore-js vs HSTScore-js vs Priority Hintscore-js vs Facebook SDKcore-js vs Facebook

FAQ

What is the average Lighthouse performance score for core-js sites?
Based on 1444 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 64/100 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 360ms based on 1444 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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