ruby-lang.org
Analyzed 8/5/2026, 1:14:38 PM via Google PageSpeed Insights
Mobile
54
Performance
A11y
89
BP
100
SEO
100
Desktop
65
Performance
A11y
95
BP
100
SEO
100
Real user data (Chrome UX Report)
p75 over the last 28 days from real Chrome users
LCP
3.47s
average
INP
100ms
fast
CLS
0.070
fast
Core Web Vitals — mobile lab data
17.7 s
Largest Contentful Paint
0.079
Cumulative Layout Shift
16.0 s
First Contentful Paint
2 ms
Time to First Byte
16.0 s
Speed Index
0 ms
Total Blocking Time
Page weight breakdown
3.34 MB across 73 requests
JavaScript52.2 KB (2%)
Images656.5 KB (20%)
CSS148.2 KB (4%)
Fonts2.47 MB (74%)
HTML15.3 KB (0%)
Top opportunities (mobile)
- 1
Avoid multiple page redirects
save 1.5 sRedirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.
- 2
Reduce unused CSS
save 750 ms / 129 KBReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.
- 3
Minify CSS
save 12 KBMinifying CSS files can reduce network payload sizes. Learn how to minify CSS.
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Updates every 30 min · links back to your report[](https://checkfast.io/speed/report/ruby-lang.org)
ruby-lang.org scored 60/100
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