Etheryx
Etheryx is a Shopify theme by OpenThinking ($370). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 63 for mobile speed and 93 for desktop speed, 100/100 for SEO and 90/93 for accessibility (mobile/desktop, 0–100). Those are medians across its 3 tested presets; mobile speed across every tested page ranges from 51 to 95. On its marketplace it is rated 5.0 out of 5 from 9 reviews.
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 63 | 93 |
| SEO | 100 | 100 |
| Accessibility | 90 | 93 |
| Best practices | 92 | 92 |
Median of 3 presets · measured 18 times since 2026-09-11 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Etheryx home page
Mobile
Speed 69 · 31 points to gain
- −13.8 Total Blocking Time medium effort
- −8.7 Speed Index medium effort
- −6.5 Largest Contentful Paint medium effort
- −2 First Contentful Paint medium effort
Accessibility 88 · 12 points to gain
- −3 Elements with `role="dialog"` or `role="alertdialog"` do not have accessible names. medium effort
- −3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3 Links do not have a discernible name medium effort
- −3 Touch targets do not have sufficient size or spacing. medium effort
Best practices 73 · 27 points to gain
- −19.2 Uses deprecated APIs medium effort
- −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 77 · 23 points to gain
- −13.5 Total Blocking Time medium effort
- −8.7 Speed Index medium effort
Accessibility 88 · 12 points to gain
- −3 Elements with `role="dialog"` or `role="alertdialog"` do not have accessible names. medium effort
- −3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3 Links do not have a discernible name medium effort
- −3 Touch targets do not have sufficient size or spacing. medium effort
Best practices 73 · 27 points to gain
- −19.2 Uses deprecated APIs medium effort
- −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 | ||||||
| Ethereal demo ↗ | 63 | 100 | 89 | 93 | 100 | 93 | 2026-09-12 |
| category ↗ | 72 | 100 | 89 | 91 | 100 | 92 | 2026-09-12 |
| home ↗ | 52 | 100 | 91 | – | 100 | 94 | 2026-09-12 |
| product ↗ | 65 | 100 | 86 | 94 | 100 | 92 | 2026-09-12 |
| Ethernity demo ↗ | 78 | 97 | 95 | 97 | 97 | 95 | 2026-09-12 |
| category ↗ | 81 | 100 | 96 | 96 | 100 | 96 | 2026-09-12 |
| home ↗ | 95 | 92 | 93 | 98 | 92 | 93 | 2026-09-12 |
| product ↗ | 59 | 100 | 95 | 98 | 100 | 95 | 2026-09-12 |
| Etheryx default demo ↗ | 59 | 100 | 90 | 68 | 100 | 91 | 2026-09-11 |
| category ↗ | 57 | 100 | 92 | 56 | 100 | 92 | 2026-09-12 |
| home ↗ | 69 | 100 | 88 | 77 | 100 | 88 | 2026-09-11 |
| product ↗ | 51 | 100 | 89 | 71 | 100 | 94 | 2026-09-12 |
Show this score on your site
A live badge: it always shows Etheryx's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/shopify/etheryx"><img src="https://themestested.com/badge/shopify/etheryx.svg" alt="Etheryx speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.