Clariss Health
Clariss Health is a BigCommerce theme by Gordonbyte ($99). Tested on 2026-11-08 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 77 for mobile speed and 96 for desktop speed, 85/85 for SEO and 90/88 for accessibility (mobile/desktop, 0–100).
Mobile71

Desktop97

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 77 | 96 |
| SEO | 85 | 85 |
| Accessibility | 90 | 88 |
| Best practices | 97 | 99 |
Single preset · measured 54 times since 2026-09-11 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Clariss-Health home page
Mobile
Speed 71 · 29 points to gain
- −24 Largest Contentful Paint medium effort
- −3.3 Speed Index medium effort
- −0.9 First Contentful Paint medium effort
- −0.9 Total Blocking Time medium effort
- 450 ms Reduce unused CSS high effort
- 300 ms Reduce unused JavaScript high effort
SEO 85 · 15 points to gain
- −7.7 Document does not have a meta description low effort
- −7.7 Links are not crawlable medium effort
Accessibility 85 · 15 points to gain
- −4.4 Elements with an ARIA `[role]` that require children to contain a specific `[role]` are missing some or all of those required children. 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
- −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
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 97 · 3 points to gain
- −2.5 Largest Contentful Paint medium effort
SEO 85 · 15 points to gain
- −7.7 Document does not have a meta description low effort
- −7.7 Links are not crawlable medium effort
Accessibility 85 · 15 points to gain
- −4.4 `[aria-*]` attributes do not have valid values 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
- −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
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Clariss-Health default demo ↗ | 77 | 85 | 90 | 96 | 85 | 88 | 2026-11-07 |
| category ↗ | 90 | 85 | 91 | 99 | 85 | 89 | 2026-11-08 |
| home ↗ | 71 | 85 | 85 | 97 | 85 | 85 | 2026-11-07 |
| product ↗ | 70 | 85 | 94 | 92 | 85 | 89 | 2026-11-08 |