Vantage
Vantage is a Shopify theme by We are Underground ($150). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 53 for mobile speed and 73 for desktop speed, 97/97 for SEO and 94/87 for accessibility (mobile/desktop, 0–100). Those are medians across its 4 tested presets; mobile speed across every tested page ranges from 36 to 71. On its marketplace it is rated 4.8 out of 5 from 230 reviews.
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 53 | 73 |
| SEO | 97 | 97 |
| Accessibility | 94 | 87 |
| Best practices | 93 | 94 |
Median of 4 presets · measured 23 times since 2026-09-11 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Portofino home page
Mobile
Speed 64 · 36 points to gain
- −25 Largest Contentful Paint medium effort
- −8.2 Speed Index medium effort
- −2.7 First Contentful Paint medium effort
- 1.1 s Reduce unused JavaScript high effort
- 170 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Image elements do not have `[alt]` attributes low effort
Accessibility 91 · 9 points to gain
- −5.5 Image elements do not have `[alt]` attributes low effort
- −3.8 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
Not extracted yet for this page.
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Vantage demo ↗ | 46 | 97 | 92 | 62 | 97 | 87 | 2026-09-11 |
| category ↗ | 60 | 100 | 92 | 75 | 100 | 83 | 2026-09-11 |
| home ↗ | 36 | 92 | 93 | 34 | 92 | 89 | 2026-09-11 |
| product ↗ | 42 | 100 | 92 | 77 | 100 | 88 | 2026-09-11 |
| Monza demo ↗ | 51 | 97 | 95 | 74 | 97 | 86 | 2026-09-11 |
| category ↗ | 71 | 100 | 95 | 91 | 100 | 87 | 2026-09-11 |
| home ↗ | 39 | 92 | 96 | 49 | 92 | 85 | 2026-09-11 |
| product ↗ | 44 | 100 | 95 | 83 | 100 | 87 | 2026-09-11 |
| Roma demo ↗ | 54 | 100 | 93 | 71 | 100 | 85 | 2026-09-11 |
| category ↗ | 68 | 100 | 95 | 86 | 100 | 87 | 2026-09-11 |
| home ↗ | 43 | 100 | 88 | 49 | 100 | 81 | 2026-09-11 |
| product ↗ | 50 | 100 | 95 | 78 | 100 | 87 | 2026-09-11 |
| Portofino default demo ↗ | 56 | 95 | 94 | 79 | 96 | 87 | 2026-09-11 |
| category ↗ | 62 | 92 | 95 | 80 | 92 | 86 | 2026-09-11 |
| home ↗ | 64 | 92 | 91 | – | – | – | 2026-09-11 |
| product ↗ | 41 | 100 | 95 | 77 | 100 | 87 | 2026-09-11 |
Show this score on your site
A live badge: it always shows Vantage's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/shopify/vantage"><img src="https://themestested.com/badge/shopify/vantage.svg" alt="Vantage speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.