themestestedbyWhirlwind eCommerce logo — Shopify and BigCommerce ecommerce development agencyWhirlwind eCommerce

Stefan

Stefan is a Webflow theme ($79). Tested on 2026-11-09 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 99 for mobile speed and 100 for desktop speed, 100/100 for SEO and 92/96 for accessibility (mobile/desktop, 0–100).

Mobile99
Stefan home page on mobile
Desktop100
Stefan home page on desktop

Scores

MobileDesktop
Speed99100
SEO100100
Accessibility9296
Best practices100100

Single preset · measured 12 times since 2026-11-02 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Why not 100 — Stefan home page

Mobile

Speed 99 · 1 points to gain

  • −0.5 First Contentful Paint medium effort

Accessibility 92 · 8 points to gain

  • −4.2 `<html>` element does not have a `[lang]` attribute low effort
  • −4.2 Touch targets do not have sufficient size or spacing. medium effort

Desktop

Accessibility 96 · 4 points to gain

  • −4.2 `<html>` element does not have a `[lang]` attribute low effort

Presets and pages

Preset / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Stefan default demo ↗ 991009210010096 2026-11-09
home ↗ 991009210010096 2026-11-09

Show this score on your site

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

Stefan: mobile speed 99 on Themestested
<a href="https://themestested.com/theme/webflow/stefan-portfolio-website-template"><img src="https://themestested.com/badge/webflow/stefan-portfolio-website-template.svg" alt="Stefan speed score on Themestested" height="20"></a>

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