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Impulse theme preview

Impulse

Impulse is a Shopify theme by Archetype Themes ($500). Tested on 2026-11-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 79 for mobile speed and 88 for desktop speed, 91/91 for SEO and 91/93 for accessibility (mobile/desktop, 0–100). Those are medians across its 4 tested presets; mobile speed across every tested page ranges from 53 to 97. On its marketplace it is rated 4.8 out of 5 from 1,302 reviews.

Mobile79
Impulse home page on mobile
Desktop99
Impulse home page on desktop

Scores

MobileDesktop
Speed7988
SEO9191
Accessibility9193
Best practices9696

Median of 4 presets · measured 216 times since 2026-11-06 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Why not 100 — Impulse home page

Mobile

Speed 79 · 21 points to gain

  • −13 Largest Contentful Paint medium effort
  • −5.2 Cumulative Layout Shift medium effort
  • −2.7 Total Blocking Time medium effort
  • 150 ms Reduce unused CSS high effort
  • 150 ms Reduce unused JavaScript high effort

SEO 77 · 23 points to gain

  • −7.7 Document does not have a meta description low effort
  • −7.7 Links do not have descriptive text low effort
  • −7.7 Image elements do not have `[alt]` attributes low effort

Accessibility 86 · 14 points to gain

  • −5.1 Image elements do not have `[alt]` attributes low effort
  • −3.5 `[aria-hidden="true"]` elements contain focusable descendents medium effort
  • −3.5 Links do not have a discernible name medium effort
  • −1.5 Heading elements are not in a sequentially-descending order medium effort

Desktop

Speed 99 · 1 points to gain

  • −0.8 Largest Contentful Paint medium effort

SEO 77 · 23 points to gain

  • −7.7 Document does not have a meta description low effort
  • −7.7 Links do not have descriptive text low effort
  • −7.7 Image elements do not have `[alt]` attributes low effort

Accessibility 90 · 10 points to gain

  • −4.9 Image elements do not have `[alt]` attributes low effort
  • −3.4 Links do not have a discernible name medium effort
  • −1.5 Heading elements are not in a sequentially-descending order medium effort

Presets and pages

Preset / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Apothecary demo ↗ 769592919594 2026-11-06
category ↗ 70100929110092 2026-11-07
home ↗ 798590918594 2026-11-06
product ↗ 78100939110096 2026-11-07
Dune demo ↗ 609281769284 2026-11-06
category ↗ 599288769292 2026-11-07
home ↗ 538574678577 2026-11-06
product ↗ 69100808610083 2026-11-07
Impulse default demo ↗ 839095859095 2026-11-06
category ↗ 92921008492100 2026-11-07
home ↗ 797786997790 2026-11-06
product ↗ 79100987210095 2026-11-07
Terrain demo ↗ 829090949091 2026-11-06
category ↗ 979297989297 2026-11-07
home ↗ 738587938590 2026-11-06
product ↗ 769287929287 2026-11-07

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Impulse: mobile speed 79 on Themestested
<a href="https://themestested.com/theme/shopify/impulse"><img src="https://themestested.com/badge/shopify/impulse.svg" alt="Impulse speed score on Themestested" height="20"></a>

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