Grid
Grid is a Shopify theme by Pixel Union ($280). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 57 for mobile speed and 80 for desktop speed, 95/95 for SEO and 89/89 for accessibility (mobile/desktop, 0–100). Those are medians across its 4 tested presets; mobile speed across every tested page ranges from 42 to 68. On its marketplace it is rated 4.6 out of 5 from 140 reviews.
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 57 | 80 |
| SEO | 95 | 95 |
| Accessibility | 89 | 89 |
| Best practices | 94 | 92 |
Median of 4 presets · measured 24 times since 2026-09-11 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Grid home page
Mobile
Speed 59 · 41 points to gain
- −25 Largest Contentful Paint medium effort
- −7.2 First Contentful Paint medium effort
- −5.6 Speed Index medium effort
- −3.6 Total Blocking Time medium effort
- 1.2 s Reduce unused JavaScript high effort
- 300 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Links do not have descriptive text low effort
Accessibility 88 · 12 points to gain
- −3.1 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.1 Links do not have a discernible name medium effort
- −3.1 Touch targets do not have sufficient size or spacing. medium effort
- −1.3 Heading elements are not in a sequentially-descending order medium effort
- −1.3 Document does not have a main landmark. medium effort
Best practices 92 · 8 points to gain
- −3.8 Browser errors were logged to the console medium effort
- −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort
Desktop
Speed 74 · 26 points to gain
- −13.8 Total Blocking Time medium effort
- −9.8 Largest Contentful Paint medium effort
- −1.9 Speed Index medium effort
- 120 ms Reduce unused JavaScript high effort
SEO 92 · 8 points to gain
- −7.7 Links do not have descriptive text low effort
Accessibility 88 · 12 points to gain
- −3.2 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.2 Links do not have a discernible name medium effort
- −3.2 Touch targets do not have sufficient size or spacing. medium effort
- −1.4 Heading elements are not in a sequentially-descending order medium effort
- −1.4 Document does not have a main landmark. medium effort
Best practices 92 · 8 points to gain
- −3.8 Browser errors were logged to the console medium effort
- −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Ember demo ↗ | 66 | 95 | 89 | 76 | 95 | 88 | 2026-09-11 |
| category ↗ | 64 | 92 | 89 | 82 | 92 | 89 | 2026-09-12 |
| home ↗ | 66 | 92 | 86 | 56 | 92 | 86 | 2026-09-11 |
| product ↗ | 67 | 100 | 91 | 89 | 100 | 90 | 2026-09-12 |
| Flora demo ↗ | 48 | 97 | 91 | 86 | 97 | 89 | 2026-09-11 |
| category ↗ | 43 | 92 | 89 | 72 | 92 | 89 | 2026-09-12 |
| home ↗ | 59 | 100 | 92 | 94 | 100 | 88 | 2026-09-11 |
| product ↗ | 42 | 100 | 91 | 91 | 100 | 90 | 2026-09-12 |
| Grid default demo ↗ | 60 | 95 | 89 | 77 | 95 | 89 | 2026-09-11 |
| category ↗ | 65 | 92 | 89 | 81 | 92 | 89 | 2026-09-12 |
| home ↗ | 59 | 92 | 88 | 74 | 92 | 88 | 2026-09-11 |
| product ↗ | 56 | 100 | 91 | 75 | 100 | 90 | 2026-09-12 |
| Knoll demo ↗ | 53 | 95 | 88 | 83 | 95 | 88 | 2026-09-11 |
| category ↗ | 68 | 92 | 89 | 69 | 92 | 89 | 2026-09-12 |
| home ↗ | 49 | 92 | 85 | 90 | 92 | 84 | 2026-09-11 |
| product ↗ | 42 | 100 | 91 | 89 | 100 | 90 | 2026-09-12 |
Show this score on your site
A live badge: it always shows Grid's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/shopify/grid"><img src="https://themestested.com/badge/shopify/grid.svg" alt="Grid speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.