Omega
Omega is a Shopify theme by Segment ($380). Tested on 2026-11-11 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 75 for mobile speed and 81 for desktop speed, 95/95 for SEO and 99/99 for accessibility (mobile/desktop, 0–100). Those are medians across its 5 tested presets; mobile speed across every tested page ranges from 51 to 93. Note: its demo home page is heavy — 13.1 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile51

Desktop50

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 75 | 81 |
| SEO | 95 | 95 |
| Accessibility | 99 | 99 |
| Best practices | 96 | 96 |
Median of 5 presets · measured 28 times since 2026-11-10 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Omega home page
Mobile
Speed 51 · 49 points to gain
- −25 Largest Contentful Paint medium effort
- −15.9 Total Blocking Time medium effort
- −7.8 Speed Index medium effort
- 130 ms Reduce unused CSS high effort
- 130 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 do not have descriptive text low effort
Accessibility 97 · 3 points to gain
- −2.9 Touch targets do not have sufficient size or spacing. medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 50 · 50 points to gain
- −27.3 Total Blocking Time medium effort
- −15 Largest Contentful Paint medium effort
- −7.8 Speed Index medium effort
SEO 85 · 15 points to gain
- −7.7 Document does not have a meta description low effort
- −7.7 Links do not have descriptive text low effort
Accessibility 97 · 3 points to gain
- −2.9 Touch targets do not have sufficient size or spacing. 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 | ||||||
| Extract demo ↗ | 75 | 95 | 99 | 96 | 95 | 99 | 2026-11-10 |
| category ↗ | 84 | 100 | 100 | 98 | 100 | 100 | 2026-11-10 |
| home ↗ | 67 | 85 | 97 | 92 | 85 | 97 | 2026-11-10 |
| product ↗ | 74 | 100 | 99 | 97 | 100 | 99 | 2026-11-10 |
| Lounge demo ↗ | 70 | 95 | 100 | 71 | 95 | 100 | 2026-11-10 |
| category ↗ | 73 | 100 | 100 | 72 | 100 | 100 | 2026-11-10 |
| home ↗ | 65 | 85 | 100 | 51 | 85 | 100 | 2026-11-10 |
| product ↗ | 73 | 100 | 99 | 90 | 100 | 99 | 2026-11-10 |
| Omega default demo ↗ | 65 | 95 | 99 | 81 | 95 | 99 | 2026-11-10 |
| category ↗ | 73 | 100 | 100 | 95 | 100 | 100 | 2026-11-10 |
| home ↗ | 51 | 85 | 97 | 50 | 85 | 97 | 2026-11-10 |
| product ↗ | 72 | 100 | 99 | 98 | 100 | 99 | 2026-11-10 |
| Run demo ↗ | 82 | 95 | 100 | 71 | 93 | 100 | 2026-11-10 |
| category ↗ | 93 | 100 | 100 | – | – | – | 2026-11-10 |
| home ↗ | 71 | 85 | 100 | 56 | 85 | 100 | 2026-11-10 |
| product ↗ | 81 | 100 | 99 | 86 | 100 | 99 | 2026-11-10 |
| Sound demo ↗ | 77 | 95 | 97 | 81 | 93 | 98 | 2026-11-10 |
| category ↗ | 84 | 100 | 97 | – | – | – | 2026-11-10 |
| home ↗ | 81 | 85 | 96 | 92 | 85 | 96 | 2026-11-10 |
| product ↗ | 67 | 100 | 99 | 70 | 100 | 99 | 2026-11-10 |