PartsWarehouse Light
PartsWarehouse Light is a BigCommerce theme by Lonestar Templates ($225). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 61 for mobile speed and 92 for desktop speed, 54/54 for SEO and 76/78 for accessibility (mobile/desktop, 0–100).
Mobile61
Desktop92
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 61 | 92 |
| SEO | 54 | 54 |
| Accessibility | 76 | 78 |
| Best practices | 77 | 81 |
Single preset · measured 2 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — PartsWarehouse-Light home page
Mobile
Speed 61 · 39 points to gain
- −23.8 Largest Contentful Paint medium effort
- −8.1 First Contentful Paint medium effort
- −4.9 Speed Index medium effort
- −2.1 Total Blocking Time medium effort
- 610 ms Reduce unused CSS high effort
- 460 ms Reduce unused JavaScript high effort
SEO 54 · 46 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Links are not crawlable medium effort
- −7.7 Image elements do not have `[alt]` attributes low effort
Accessibility 76 · 24 points to gain
- −4.2 Image elements do not have `[alt]` attributes low effort
- −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
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 92 · 8 points to gain
- −4.4 Speed Index medium effort
- −2.5 Largest Contentful Paint medium effort
- −0.6 Total Blocking Time medium effort
- 130 ms Reduce unused CSS high effort
SEO 54 · 46 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Links are not crawlable medium effort
- −7.7 Image elements do not have `[alt]` attributes low effort
Accessibility 78 · 22 points to gain
- −4.2 Image elements do not have `[alt]` attributes low effort
- −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
Best practices 81 · 19 points to gain
- −19.2 Uses deprecated APIs medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| PartsWarehouse-Light default demo ↗ | 61 | 54 | 76 | 92 | 54 | 78 | 2026-09-12 |
| home ↗ | 61 | 54 | 76 | 92 | 54 | 78 | 2026-09-12 |
Show this score on your site
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<a href="https://themestested.com/theme/bigcommerce/partswarehouse-light"><img src="https://themestested.com/badge/bigcommerce/partswarehouse-light.svg" alt="PartsWarehouse Light speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.