Hera Warm
Hera Warm is a BigCommerce theme by Halothemes ($300). Tested on 2026-11-10 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 61 for mobile speed and 80 for desktop speed, 90/90 for SEO and 95/94 for accessibility (mobile/desktop, 0–100).
Mobile62

Desktop66

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 61 | 80 |
| SEO | 90 | 90 |
| Accessibility | 95 | 94 |
| Best practices | 95 | 97 |
Single preset · measured 30 times since 2026-11-07 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Hera-Warm home page
Mobile
Speed 62 · 38 points to gain
- −23.8 Largest Contentful Paint medium effort
- −10.5 Total Blocking Time medium effort
- −2.8 Speed Index medium effort
- −1.2 First Contentful Paint medium effort
- 820 ms Reduce unused JavaScript high effort
- 670 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Links are not crawlable medium effort
Accessibility 97 · 3 points to gain
- −3.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
Best practices 96 · 4 points to gain
- −3.8 Serves images with low resolution low effort
Desktop
Speed 66 · 34 points to gain
- −24.3 Total Blocking Time medium effort
- −7 Largest Contentful Paint medium effort
- −2.9 Speed Index medium effort
- 160 ms Reduce unused CSS high effort
- 160 ms Reduce unused JavaScript high effort
SEO 92 · 8 points to gain
- −7.7 Links are not crawlable medium effort
Accessibility 94 · 6 points to gain
- −3.2 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −3.2 Touch targets do not have sufficient size or spacing. medium effort
Best practices 96 · 4 points to gain
- −3.8 Displays images with incorrect aspect ratio low effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Hera-Warm default demo ↗ | 61 | 90 | 95 | 80 | 90 | 94 | 2026-11-07 |
| category ↗ | 63 | 85 | 93 | 96 | 85 | 92 | 2026-11-07 |
| home ↗ | 62 | 92 | 97 | 66 | 92 | 94 | 2026-11-07 |
| product ↗ | 59 | 92 | 95 | 78 | 92 | 95 | 2026-11-10 |