themestestedbyWhirlwind eCommerce logo — Shopify and BigCommerce ecommerce development agencyWhirlwind eCommerce

Monday

Monday is a Webflow theme by Templates ($99). Tested on 2026-10-01 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 59 for mobile speed and 87 for desktop speed, 91/91 for SEO and 86/86 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 10.6 MB — heavier than a typical store, so the speed score may understate the theme.

Mobile59
Monday home page on mobile
Desktop87
Monday home page on desktop

Scores

MobileDesktop
Speed5987
SEO9191
Accessibility8686
Best practices9696

Single preset · measured 2 times since 2026-10-01 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Why not 100 — Monday home page

Mobile

Speed 59 · 41 points to gain

  • −25 Largest Contentful Paint medium effort
  • −8.1 First Contentful Paint medium effort
  • −6.6 Speed Index medium effort
  • −1.5 Total Blocking Time medium effort
  • 300 ms Reduce unused JavaScript high effort
  • 150 ms Reduce unused CSS high effort

SEO 91 · 9 points to gain

  • −9.1 Links do not have descriptive text low effort

Accessibility 86 · 14 points to gain

  • −3.5 Background and foreground colors do not have a sufficient contrast ratio. medium effort
  • −3.5 `<html>` element does not have a `[lang]` attribute low 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
  • −1.5 Document does not have a main landmark. medium effort

Best practices 96 · 4 points to gain

  • −3.8 Displays images with incorrect aspect ratio low effort

Desktop

Speed 87 · 13 points to gain

  • −5.5 Largest Contentful Paint medium effort
  • −3.8 Speed Index medium effort
  • −2.2 Cumulative Layout Shift medium effort
  • −1.2 First Contentful Paint medium effort

SEO 91 · 9 points to gain

  • −9.1 Links do not have descriptive text low effort

Accessibility 86 · 14 points to gain

  • −3.5 Background and foreground colors do not have a sufficient contrast ratio. medium effort
  • −3.5 `<html>` element does not have a `[lang]` attribute low 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
  • −1.5 Document does not have a main landmark. medium effort

Best practices 96 · 4 points to gain

  • −3.8 Displays images with incorrect aspect ratio low effort

Presets and pages

Preset / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Monday default demo ↗ 599186879186 2026-10-01
home ↗ 599186879186 2026-10-01

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A live badge: it always shows Monday's current score and links back here. Paste this where the theme is sold or documented.

Monday: mobile speed 59 on Themestested
<a href="https://themestested.com/theme/webflow/monday-agency-website-template"><img src="https://themestested.com/badge/webflow/monday-agency-website-template.svg" alt="Monday speed score on Themestested" height="20"></a>

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