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Your site vs. core-js average

Your site
70
core-js average
72
CategoryYour scorePeer avgDelta
Performance6671-5
Security6164-3
Accessibility5958+1
SEO9690+6
Infrastructure8486-2
Compliance7679-3
Content9383+10
Sustainability5468-14

Better than 13% of core-js sites

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core-js

Based on 1082 real audits

35
Avg. Performance
88
Avg. Accessibility
84
Avg. Best Practices
91
Avg. SEO
64
Avg. Security
72
Avg. Composite
35 /100
Avg. Performance
351 ms
Avg. TTFB
72 /100
Avg. Composite
1082
Sites Audited

How core-js sites compare

core-js sites tend to score below average on performance (35/100), compared to the global average of 46/100.

Recent Audits

SitePerformanceGradeAudited
umbc.edu67C2026-04-22
presseportal.de71C2026-04-22
extendthemes.com71C2026-04-22
autonews.com12D2026-04-22
rhs.org.uk27C2026-04-22
positivepsychology.com71C2026-04-22
le.ac.uk34C2026-04-22
aalto.fi60C2026-04-22
lazada.com57C2026-04-22
odnoklassniki.ru57C2026-04-22

Commonly Used With

Sites that use core-js also commonly use:

Open Graph Miscellaneous 934Google Search Console Analytics 843Google Tag Manager Tag managers 788Google Analytics Analytics 612Microsoft Analytics 591HSTS Security 505Priority Hints Performance 500jQuery JavaScript libraries 490Facebook Analytics 386Google Workspace Email 374

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 HSTScore-js vs Priority Hintscore-js vs jQuerycore-js vs Facebookcore-js vs Google Workspace

FAQ

What is the average Lighthouse performance score for core-js sites?
Based on 1082 real audits, core-js sites score an average of 35/100 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 351ms based on 1082 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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