Primavera
Primavera is a Shopify theme by Ultramarina ($400). Tested on 2026-11-08 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 89 for mobile speed and 99 for desktop speed, 100/100 for SEO and 100/100 for accessibility (mobile/desktop, 0–100). Those are medians across its 5 tested presets; mobile speed across every tested page ranges from 71 to 99. On its marketplace it is rated 5.0 out of 5 from 17 reviews.
Mobile83

Desktop99

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 89 | 99 |
| SEO | 100 | 100 |
| Accessibility | 100 | 100 |
| Best practices | 96 | 97 |
Median of 5 presets · measured 150 times since 2026-10-09 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Gloss home page
Mobile
Speed 83 · 17 points to gain
- −15.8 Largest Contentful Paint medium effort
- −0.6 Total Blocking Time medium effort
- 150 ms Reduce unused CSS high effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 99 · 1 points to gain
- −0.8 Largest Contentful Paint medium effort
- −0.7 Speed Index 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 | ||||||
| Savoir demo ↗ | 86 | 100 | 98 | 100 | 100 | 99 | 2026-11-07 |
| category ↗ | 93 | 100 | 100 | 100 | 100 | 100 | 2026-11-07 |
| home ↗ | 89 | 100 | 94 | 99 | 100 | 99 | 2026-11-08 |
| product ↗ | 75 | 100 | 99 | – | 100 | 99 | 2026-11-07 |
| Composition demo ↗ | 89 | 100 | 100 | 99 | 100 | 100 | 2026-11-07 |
| category ↗ | 98 | 100 | 100 | 99 | 100 | 100 | 2026-11-07 |
| home ↗ | 95 | 100 | 100 | 99 | 100 | 100 | 2026-11-08 |
| product ↗ | 75 | 100 | 99 | – | 100 | 99 | 2026-11-07 |
| Primavera demo ↗ | 91 | 100 | 100 | 89 | 100 | 100 | 2026-11-07 |
| category ↗ | 93 | 100 | 100 | 100 | 100 | 100 | 2026-11-07 |
| home ↗ | 95 | 100 | 100 | 77 | 100 | 100 | 2026-11-08 |
| product ↗ | 86 | 100 | 99 | – | 100 | 99 | 2026-11-07 |
| Gloss default demo ↗ | 93 | 100 | 100 | 99 | 100 | 100 | 2026-11-07 |
| category ↗ | 98 | 100 | 100 | 99 | 100 | 100 | 2026-11-07 |
| home ↗ | 83 | 100 | 100 | 99 | 100 | 100 | 2026-11-07 |
| product ↗ | 99 | 100 | 99 | 99 | 100 | 99 | 2026-11-07 |
| Gaia demo ↗ | 82 | 100 | 100 | 98 | 100 | 100 | 2026-11-07 |
| category ↗ | 94 | 100 | 100 | 99 | 100 | 100 | 2026-11-07 |
| home ↗ | 80 | 100 | 100 | 97 | 100 | 100 | 2026-11-08 |
| product ↗ | 71 | 100 | 99 | – | 100 | 99 | 2026-11-07 |