Niche Jewellery
Niche Jewellery is a BigCommerce theme by Above and Beyond ($295). Tested on 2026-11-10 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 68 for mobile speed and 78 for desktop speed, 87/87 for SEO and 82/79 for accessibility (mobile/desktop, 0–100).
Mobile71

Desktop70

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 68 | 78 |
| SEO | 87 | 87 |
| Accessibility | 82 | 79 |
| Best practices | 99 | 99 |
Single preset · measured 30 times since 2026-11-07 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Niche-Jewellery home page
Mobile
Speed 71 · 29 points to gain
- −25 Largest Contentful Paint medium effort
- −3.1 Speed Index medium effort
- −0.8 First Contentful Paint medium effort
- 1.4 s Reduce unused JavaScript high effort
- 750 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Document does not have a meta description low effort
Accessibility 75 · 25 points to gain
- −4.6 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
- −3.2 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −3.2 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.2 Links rely on color to be distinguishable. medium effort
- −3.2 Links do not have a discernible name medium effort
- −3.2 Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). low effort
Desktop
Speed 70 · 30 points to gain
- −19.3 Cumulative Layout Shift medium effort
- −10 Largest Contentful Paint medium effort
- −0.5 Speed Index medium effort
- 220 ms Reduce unused JavaScript high effort
- 130 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Document does not have a meta description low effort
Accessibility 78 · 22 points to gain
- −4.6 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
- −3.2 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.2 Links rely on color to be distinguishable. medium effort
- −3.2 Links do not have a discernible name medium effort
- −3.2 Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). low effort
- −3.2 List items (`<li>`) are not contained within `<ul>`, `<ol>` or `<menu>` parent elements. low effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Niche-Jewellery default demo ↗ | 68 | 87 | 82 | 78 | 87 | 79 | 2026-11-07 |
| category ↗ | 72 | 85 | 82 | 91 | 85 | 77 | 2026-11-10 |
| home ↗ | 71 | 92 | 75 | 70 | 92 | 78 | 2026-11-07 |
| product ↗ | 61 | 85 | 89 | 74 | 85 | 83 | 2026-11-10 |