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DebugBear performance report · https://infinitalab.com/services/astm-e384-microhardness-testing-guide/

● Needs urgent work
Project: DebugBear #104066
Tested: 17 Jul 2026 · daily
Devices: mobile & desktop
By: Baivab, Growth

Perf · Mobile

/ 100 · poor

Perf · Desktop

/ 100 · needs work

Mobile LCP

5.0s

target < 2.5s

Mobile TBT

4042ms

target < 200ms

Page weight

4.7 MB

mobile

The headline

On mobile this template scores 36 against 64 on desktop. Mobile is held back by main-thread blocking (TBT 4042ms) from 1.4 MB of JavaScript. Mobile LCP is slow at 5.0s.

Scores & Core Web Vitals

Metric	Mobile	Desktop	Target
Performance	36	64	90+
Accessibility	97	97	90+
Best Practices	54	92	90+
SEO	92	92	90+
Largest Contentful Paint	5.0s	4.2s	< 2.5s
Cumulative Layout Shift	0.09	0.03	< 0.1
Total Blocking Time	4042ms	17ms	< 200ms
First Contentful Paint	4.9s	2.4s	< 1.8s
Speed Index	5.7s	2.8s	< 3.4s
Time to First Byte	1432ms	1419ms	< 0.8s

Page composition

Metric	Mobile	Desktop
Total page weight	4.7 MB	1.8 MB
Images	2.9 MB	1.4 MB
JavaScript	1.4 MB	0.0 MB
Third-party bytes	1.6 MB	0.3 MB
Requests (total)	166	56
Script requests	50	5
Image requests	60	20
DOM elements	5,146	2,142
CPU time	10.8s	2.1s

Prioritised recommendations (click to expand)

P1Cut the mobile JavaScript bundle›

Mobile TBT is 4042ms from 1.4 MB of JavaScript. Defer and code-split non-critical JS, remove unused libraries, audit third-party scripts.

P2Improve mobile LCP›

Mobile LCP is 5.0s. Preload the hero image, reduce server response time and remove render-blocking CSS/JS.

Source: DebugBear lab tests, project 104066, snapshot 17 Jul 2026. Mobile: Slow 4G, Moto G Power. Lab results are single-run and vary run to run.