themestestedbyWhirlwind eCommerce logo — Shopify and BigCommerce ecommerce development agencyWhirlwind eCommerce
Spark Automotive theme preview

Spark Automotive

Spark Automotive is a BigCommerce theme by Halothemes ($350). Tested on 2026-11-10 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 69 for mobile speed and 81 for desktop speed, 97/97 for SEO and 92/91 for accessibility (mobile/desktop, 0–100).

Mobile55
Spark Automotive home page on mobile
Desktop89
Spark Automotive home page on desktop

Scores

MobileDesktop
Speed6981
SEO9797
Accessibility9291
Best practices9395

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

Why not 100 — Spark-Automotive home page

Mobile

Speed 55 · 45 points to gain

  • −25 Largest Contentful Paint medium effort
  • −9.8 First Contentful Paint medium effort
  • −6.3 Speed Index medium effort
  • −4.2 Total Blocking Time medium effort
  • 4.6 s Reduce unused JavaScript high effort
  • 760 ms Reduce unused CSS high effort

Accessibility 93 · 7 points to gain

  • −3 `[aria-hidden="true"]` elements contain focusable descendents medium effort
  • −3 Touch targets do not have sufficient size or spacing. medium effort
  • −1.3 Heading elements are not in a sequentially-descending order medium effort

Best practices 92 · 8 points to gain

  • −3.8 Serves images with low resolution low effort
  • −3.8 Browser errors were logged to the console medium effort

Desktop

Speed 89 · 11 points to gain

  • −9.9 Total Blocking Time medium effort
  • −0.5 Largest Contentful Paint medium effort

Accessibility 90 · 10 points to gain

  • −2.8 `[aria-hidden="true"]` elements contain focusable descendents medium effort
  • −2.8 ARIA input fields do not have accessible names medium effort
  • −2.8 Touch targets do not have sufficient size or spacing. medium effort
  • −1.2 Heading elements are not in a sequentially-descending order medium effort

Best practices 92 · 8 points to gain

  • −3.8 Displays images with incorrect aspect ratio low effort
  • −3.8 Browser errors were logged to the console medium effort

Presets and pages

Preset / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Spark-Automotive default demo ↗ 699792819791 2026-11-07
category ↗ 84100948010094 2026-11-10
home ↗ 55100938910090 2026-11-07
product ↗ 699288759288 2026-11-10

Show this score on your site

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

Spark Automotive: mobile speed 69 on Themestested
<a href="https://themestested.com/theme/bigcommerce/spark-automotive"><img src="https://themestested.com/badge/bigcommerce/spark-automotive.svg" alt="Spark Automotive speed score on Themestested" height="20"></a>

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