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Fuse theme preview

Fuse

Fuse is a Shopify theme by UTD BV ($400). Tested on 2026-11-10 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 67 for mobile speed and 91 for desktop speed, 94/94 for SEO and 97/97 for accessibility (mobile/desktop, 0–100). Those are medians across its 4 tested presets; mobile speed across every tested page ranges from 41 to 78.

Mobile64
Fuse home page on mobile
Desktop85
Fuse home page on desktop

Scores

MobileDesktop
Speed6791
SEO9494
Accessibility9797
Best practices8787

Median of 4 presets · measured 16 times since 2026-11-06 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Why not 100 — Fuse home page

Mobile

Speed 64 · 36 points to gain

  • −24.5 Largest Contentful Paint medium effort
  • −6.3 Total Blocking Time medium effort
  • −4.5 Speed Index medium effort
  • 150 ms Reduce unused CSS high effort
  • 150 ms Reduce unused JavaScript high effort

SEO 92 · 8 points to gain

  • −7.7 Document does not have a meta description low effort

Best practices 77 · 23 points to gain

  • −19.2 Uses deprecated APIs medium effort
  • −3.8 Browser errors were logged to the console medium effort

Desktop

Speed 85 · 15 points to gain

  • −8.1 Total Blocking Time medium effort
  • −4.5 Largest Contentful Paint medium effort
  • −2.5 Speed Index medium effort

SEO 92 · 8 points to gain

  • −7.7 Document does not have a meta description low effort

Accessibility 95 · 5 points to gain

  • −5 Buttons do not have an accessible name medium effort

Best practices 77 · 23 points to gain

  • −19.2 Uses deprecated APIs medium effort
  • −3.8 Browser errors were logged to the console medium effort

Presets and pages

Preset / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Clio demo ↗ 789696819696 2026-10-27
category ↗ 789297969297 2026-10-27
product ↗ 77100956610095 2026-10-27
Bond demo ↗ 619297949297 2026-10-27
category ↗ 579297939297 2026-11-03
product ↗ 649297949297 2026-10-27
Fuse default demo ↗ 5396100889698 2026-10-27
category ↗ 6492100859295 2026-11-03
product ↗ 4110010090100100 2026-10-27
Node demo ↗ 729297939297 2026-11-08
category ↗ 729297939297 2026-11-08

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Fuse: mobile speed 67 on Themestested
<a href="https://themestested.com/theme/shopify/fuse"><img src="https://themestested.com/badge/shopify/fuse.svg" alt="Fuse speed score on Themestested" height="20"></a>

Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.