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JSS

Based on 1 real audits

38
Avg. Performance
97
Avg. Accessibility
73
Avg. Best Practices
100
Avg. SEO
60
Avg. Security
76
Avg. Composite
38 /100
Avg. Performance
504 ms
Avg. TTFB
76 /100
Avg. Composite
1
Sites Audited

How JSS sites compare

JSS sites tend to score below average on performance (38/100), compared to the global average of 47/100.

Recent Audits

SitePerformanceGradeAudited
www.coursera.org38C2026-04-07

Commonly Used With

Sites that use JSS also commonly use:

Webpack Miscellaneous 1Statsig Analytics 1Sentry Issue trackers 1React JavaScript frameworks 1Priority Hints Performance 1Open Graph Miscellaneous 1Node.js Programming languages 1Native app preferred Other 1iOS app Other 1HSTS Security 1

Compare with...

JSS vs WebpackJSS vs StatsigJSS vs SentryJSS vs ReactJSS vs Priority HintsJSS vs Open GraphJSS vs Node.jsJSS vs Native app preferredJSS vs iOS appJSS vs HSTS

FAQ

What is the average Lighthouse performance score for JSS sites?
Based on 1 real audits, JSS sites score an average of 38/100 on Lighthouse performance.
How does JSS compare on web security?
JSS sites score an average security grade of 60/100 in BeaverCheck audits.
What is the average page load time for JSS websites?
The average Time to First Byte (TTFB) for JSS sites is 504ms based on 1 audits.
How can I improve my JSS site's performance?
Run a free audit on BeaverCheck to get specific recommendations for your JSS site. Common issues include render-blocking resources, unoptimized images, and missing caching headers.

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