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Your site vs. core-js average

Your site
69
core-js average
72
CategoryYour scorePeer avgDelta
Performance6671-5
Security6665+1
Accessibility3658-22
SEO9789+8
Infrastructure86860
Compliance7679-3
Content9583+12
Sustainability5668-12

Better than 8% of core-js sites

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core-js

Based on 960 real audits

35
Avg. Performance
88
Avg. Accessibility
84
Avg. Best Practices
91
Avg. SEO
65
Avg. Security
72
Avg. Composite
35 /100
Avg. Performance
336 ms
Avg. TTFB
72 /100
Avg. Composite
960
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 45/100.

Recent Audits

SitePerformanceGradeAudited
hubspot.net52C2026-04-22
publishersweekly.com15D2026-04-22
grist.org41C2026-04-22
stltoday.com30C2026-04-22
itmedia.co.jp39D2026-04-22
mix.com26D2026-04-22
ugr.es33C2026-04-22
avma.org28C2026-04-22
thedrive.com15C2026-04-22
allafrica.com42C2026-04-22

Commonly Used With

Sites that use core-js also commonly use:

Open Graph Miscellaneous 829Google Search Console Analytics 740Google Tag Manager Tag managers 689Google Analytics Analytics 529Microsoft Analytics 519HSTS Security 454Priority Hints Performance 445jQuery JavaScript libraries 418Facebook Analytics 336Google Workspace Email 335

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 960 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 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 336ms based on 960 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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