themestestedbyWhirlwind eCommerce logo — Shopify and BigCommerce ecommerce development agencyWhirlwind eCommerce

Kann

Kann is a Webflow theme by Templates ($59). Tested on 2026-09-29 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 60 for mobile speed and 78 for desktop speed, 82/82 for SEO and 87/87 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 6.7 MB — heavier than a typical store, so the speed score may understate the theme.

Mobile60
Kann home page on mobile
Desktop78
Kann home page on desktop

Scores

MobileDesktop
Speed6078
SEO8282
Accessibility8787
Best practices9696

Single preset · measured 2 times since 2026-09-29 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Why not 100 — Kann home page

Mobile

Speed 60 · 40 points to gain

  • −25 Largest Contentful Paint medium effort
  • −7.3 First Contentful Paint medium effort
  • −4.5 Total Blocking Time medium effort
  • −2.9 Speed Index medium effort
  • 600 ms Reduce unused JavaScript high effort

SEO 82 · 18 points to gain

  • −9.1 Document does not have a meta description low effort
  • −9.1 Links do not have descriptive text low effort

Accessibility 87 · 13 points to gain

  • −3.4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
  • −3.4 `<html>` element does not have a `[lang]` attribute 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
  • −1.5 Document does not have a main landmark. medium effort

Best practices 96 · 4 points to gain

  • −3.8 Browser errors were logged to the console medium effort

Desktop

Speed 78 · 22 points to gain

  • −18.3 Largest Contentful Paint medium effort
  • −2.4 Total Blocking Time medium effort
  • −1 Speed Index medium effort
  • 120 ms Reduce unused JavaScript high effort

SEO 82 · 18 points to gain

  • −9.1 Document does not have a meta description low effort
  • −9.1 Links do not have descriptive text low effort

Accessibility 87 · 13 points to gain

  • −3.4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
  • −3.4 `<html>` element does not have a `[lang]` attribute 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
  • −1.5 Document does not have a main landmark. medium effort

Best practices 96 · 4 points to gain

  • −3.8 Browser errors were logged to the console medium effort

Presets and pages

Preset / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Kann default demo ↗ 608287788287 2026-09-29
home ↗ 608287788287 2026-09-29

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Kann: mobile speed 60 on Themestested
<a href="https://themestested.com/theme/webflow/kann-agency-website-template"><img src="https://themestested.com/badge/webflow/kann-agency-website-template.svg" alt="Kann speed score on Themestested" height="20"></a>

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