fly.io
Analyzed 8/5/2026, 1:14:33 PM via Google PageSpeed Insights
Mobile
66
Performance
A11y
100
BP
100
SEO
92
Desktop
70
Performance
A11y
93
BP
100
SEO
92
Real user data (Chrome UX Report)
p75 over the last 28 days from real Chrome users
LCP
2.76s
average
INP
156ms
fast
CLS
0.000
fast
Core Web Vitals — mobile lab data
9.6 s
Largest Contentful Paint
0.000
Cumulative Layout Shift
1.7 s
First Contentful Paint
33 ms
Time to First Byte
2.0 s
Speed Index
339 ms
Total Blocking Time
Page weight breakdown
2.15 MB across 35 requests
JavaScript1.06 MB (49%)
Images643.3 KB (30%)
CSS101.2 KB (5%)
Fonts304.6 KB (14%)
HTML34.3 KB (2%)
Top opportunities (mobile)
- 1
Reduce unused JavaScript
save 1.1 s / 429 KBReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
- 2
Reduce unused CSS
save 610 ms / 95 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.
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Updates every 30 min · links back to your report[](https://checkfast.io/speed/report/fly.io)
fly.io scored 68/100
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Reachability, discoverability, and page performance for humans and crawlers.