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PartsWarehouse Classic theme preview

PartsWarehouse Classic

PartsWarehouse Classic is a BigCommerce theme by Lonestar Templates ($225). Tested on 2026-11-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 62 for mobile speed and 92 for desktop speed, 56/56 for SEO and 75/76 for accessibility (mobile/desktop, 0–100).

Mobile58
PartsWarehouse Classic home page on mobile
Desktop98
PartsWarehouse Classic home page on desktop

Scores

MobileDesktop
Speed6292
SEO5656
Accessibility7576
Best practices7780

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

Why not 100 — PartsWarehouse-Classic home page

Mobile

Speed 58 · 42 points to gain

  • −22.5 Largest Contentful Paint medium effort
  • −15 Cumulative Layout Shift medium effort
  • −1.8 Total Blocking Time medium effort
  • −1.7 Speed Index medium effort
  • −0.8 First Contentful Paint medium effort
  • 450 ms Reduce unused CSS high effort
  • 300 ms Reduce unused JavaScript high effort

SEO 61 · 39 points to gain

  • −31 Page is blocked from indexing low effort
  • −7.7 Links are not crawlable medium effort

Accessibility 79 · 21 points to gain

  • −4.2 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
  • −4.2 Select elements do not have associated label elements. medium effort
  • −2.9 Background and foreground colors do not have a sufficient contrast ratio. medium effort
  • −2.9 Links do not have a discernible name medium effort
  • −2.9 Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). low effort
  • −2.9 Touch targets do not have sufficient size or spacing. medium effort

Best practices 81 · 19 points to gain

  • −19.2 Uses deprecated APIs medium effort

Desktop

Speed 98 · 2 points to gain

  • −1.5 Largest Contentful Paint medium effort
  • −0.6 Total Blocking Time medium effort

SEO 61 · 39 points to gain

  • −31 Page is blocked from indexing low effort
  • −7.7 Links are not crawlable medium effort

Accessibility 79 · 21 points to gain

  • −4.2 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
  • −4.2 Select elements do not have associated label elements. medium effort
  • −2.9 Background and foreground colors do not have a sufficient contrast ratio. medium effort
  • −2.9 Links do not have a discernible name medium effort
  • −2.9 Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). low effort
  • −2.9 Touch targets do not have sufficient size or spacing. medium effort

Best practices 81 · 19 points to gain

  • −19.2 Uses deprecated APIs medium effort

Presets and pages

Preset / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
PartsWarehouse-Classic default demo ↗ 625675925676 2026-11-07
category ↗ 735475975476 2026-11-07
home ↗ 586179986179 2026-11-07
product ↗ 565471805473 2026-11-07

Show this score on your site

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PartsWarehouse Classic: mobile speed 62 on Themestested
<a href="https://themestested.com/theme/bigcommerce/partswarehouse-classic"><img src="https://themestested.com/badge/bigcommerce/partswarehouse-classic.svg" alt="PartsWarehouse Classic speed score on Themestested" height="20"></a>

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