Vetro
Vetro is a Shopify theme by The4 ($340). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 60 for mobile speed and 80 for desktop speed, 97/97 for SEO and 82/87 for accessibility (mobile/desktop, 0–100). Those are medians across its 3 tested presets; mobile speed across every tested page ranges from 37 to 84. On its marketplace it is rated 5.0 out of 5 from 35 reviews.
Mobile39
Desktop39
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 60 | 80 |
| SEO | 97 | 97 |
| Accessibility | 82 | 87 |
| Best practices | 92 | 93 |
Median of 3 presets · measured 18 times since 2026-09-11 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Vetro home page
Mobile
Speed 39 · 61 points to gain
- −25 Largest Contentful Paint medium effort
- −20.7 Total Blocking Time medium effort
- −9.5 Speed Index medium effort
- −5.1 First Contentful Paint medium effort
- −1 Cumulative Layout Shift medium effort
- 150 ms Reduce unused JavaScript high effort
SEO 92 · 8 points to gain
- −7.7 Image elements do not have `[alt]` attributes low effort
Accessibility 75 · 25 points to gain
- −4.8 `[aria-*]` attributes do not match their roles medium effort
- −4.8 Image elements do not have `[alt]` attributes low effort
- −3.4 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −3.4 Elements use prohibited ARIA attributes medium effort
- −3.4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.4 Links do not have a discernible name 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 39 · 61 points to gain
- −30 Total Blocking Time medium effort
- −18 Largest Contentful Paint medium effort
- −10 Speed Index medium effort
- −2.5 Cumulative Layout Shift medium effort
- 110 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Image elements do not have `[alt]` attributes low effort
Accessibility 80 · 20 points to gain
- −4.5 `[aria-*]` attributes do not match their roles medium effort
- −4.5 Image elements do not have `[alt]` attributes low effort
- −3.1 Elements use prohibited ARIA attributes medium effort
- −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
- −1.3 Heading elements are not in a sequentially-descending order medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Arrok demo ↗ | 66 | 97 | 91 | 83 | 97 | 93 | 2026-09-12 |
| category ↗ | 71 | 100 | 93 | 82 | 100 | 94 | 2026-09-12 |
| home ↗ | 62 | 92 | 93 | 70 | 92 | 94 | 2026-09-12 |
| product ↗ | 64 | 100 | 87 | 96 | 100 | 92 | 2026-09-12 |
| Gario demo ↗ | 59 | 95 | 80 | 80 | 95 | 82 | 2026-09-12 |
| category ↗ | 69 | 100 | 90 | 99 | 100 | 90 | 2026-09-12 |
| home ↗ | 72 | 85 | 73 | 45 | 85 | 74 | 2026-09-12 |
| product ↗ | 37 | 100 | 77 | 95 | 100 | 83 | 2026-09-12 |
| Vetro default demo ↗ | 60 | 97 | 82 | 76 | 97 | 87 | 2026-09-11 |
| category ↗ | 84 | 100 | 90 | 96 | 100 | 94 | 2026-09-12 |
| home ↗ | 39 | 92 | 75 | 39 | 92 | 80 | 2026-09-11 |
| product ↗ | 58 | 100 | 80 | 94 | 100 | 88 | 2026-09-12 |
Show this score on your site
A live badge: it always shows Vetro's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/shopify/vetro"><img src="https://themestested.com/badge/shopify/vetro.svg" alt="Vetro speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.