themestestedbyWhirlwind eCommerce logo — Shopify and BigCommerce ecommerce development agencyWhirlwind eCommerce
NextGen Fun theme preview

NextGen Fun

NextGen Fun is a BigCommerce theme by Lonestar Templates ($195). Tested on 2026-11-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 67 for mobile speed and 65 for desktop speed, 90/90 for SEO and 87/82 for accessibility (mobile/desktop, 0–100).

Mobile55
NextGen Fun home page on mobile
Desktop76
NextGen Fun home page on desktop

Scores

MobileDesktop
Speed6765
SEO9090
Accessibility8782
Best practices6771

Single preset · measured 30 times since 2026-11-07 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Why not 100 — NextGen-Fun home page

Mobile

Speed 55 · 45 points to gain

  • −24.3 Cumulative Layout Shift medium effort
  • −18 Largest Contentful Paint medium effort
  • −1.7 Speed Index medium effort
  • −0.8 First Contentful Paint medium effort
  • −0.6 Total Blocking Time medium effort
  • 450 ms Reduce unused CSS high effort
  • 450 ms Reduce unused JavaScript high effort
  • 150 ms Minify JavaScript low effort

SEO 92 · 8 points to gain

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

Accessibility 93 · 7 points to gain

  • −3.1 Background and foreground colors do not have a sufficient contrast ratio. medium effort
  • −3.1 Touch targets do not have sufficient size or spacing. medium effort
  • −1.3 Document does not have a main landmark. medium effort

Best practices 77 · 23 points to gain

  • −19.2 Uses deprecated APIs medium effort
  • −3.8 Serves images with low resolution low effort

Desktop

Speed 76 · 24 points to gain

  • −22 Cumulative Layout Shift medium effort
  • −2.2 Largest Contentful Paint medium effort

SEO 92 · 8 points to gain

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

Accessibility 88 · 12 points to gain

  • −4.3 Input buttons do not have discernible text. medium effort
  • −3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
  • −3 Touch targets do not have sufficient size or spacing. medium effort
  • −1.3 Document does not have a main landmark. medium effort

Best practices 81 · 19 points to gain

  • −19.2 Uses deprecated APIs medium effort

Presets and pages

Preset / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
NextGen-Fun default demo ↗ 679087659082 2026-11-07
category ↗ 869290739281 2026-11-07
home ↗ 559293769288 2026-11-07
product ↗ 598578468576 2026-11-07

Show this score on your site

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

NextGen Fun: mobile speed 67 on Themestested
<a href="https://themestested.com/theme/bigcommerce/nextgen-fun"><img src="https://themestested.com/badge/bigcommerce/nextgen-fun.svg" alt="NextGen Fun speed score on Themestested" height="20"></a>

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