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Claude performance report · https://infinitalab.com/

● Needs work
Source: Claude · PageSpeed Insights
Tested: 3 Aug 2026 · daily
Devices: mobile & desktop
By: Baivab, Growth

Perf · Mobile

/ 100 · needs work

Perf · Desktop

/ 100 · good

Mobile LCP

5.7s

target < 2.5s

Mobile TBT

614ms

target < 200ms

Page weight

3.2 MB

mobile

The headline

On mobile this template scores 54 against 97 on desktop. Mobile is held back by main-thread blocking (TBT 614ms) from 1.8 MB of JavaScript. Mobile LCP is slow at 5.7s.

Scores & Core Web Vitals

Metric	Mobile	Desktop	Target
Performance	54	97	90+
Accessibility	90	86	90+
Best Practices	69	96	90+
SEO	77	77	90+
Largest Contentful Paint	5.7s	0.9s	< 2.5s
Cumulative Layout Shift	0.00	0.02	< 0.1
Total Blocking Time	614ms	0ms	< 200ms
First Contentful Paint	3.2s	0.8s	< 1.8s
Speed Index	5.3s	1.4s	< 3.4s
Time to First Byte	178ms	17ms	< 0.8s

Page composition

Metric	Mobile	Desktop
Total page weight	3.2 MB	0.5 MB
Images	0.5 MB	0.1 MB
JavaScript	1.8 MB	0.0 MB
Third-party bytes	—	—
Requests (total)	153	39
Script requests	43	3
Image requests	49	22
DOM elements	—	—
CPU time	3.6s	0.9s

Prioritised recommendations (click to expand)

P1Cut the mobile JavaScript bundle›

Mobile TBT is 614ms from 1.8 MB of JavaScript. Defer and code-split non-critical JS, remove unused libraries, audit third-party scripts.

P2Improve mobile LCP›

Mobile LCP is 5.7s. Preload the hero image, reduce server response time and remove render-blocking CSS/JS.

Source: Claude via Google PageSpeed Insights, 3 Aug 2026. Mobile: Slow 4G, Moto G Power. Lab results are single-run and vary run to run.