themestestedbyWhirlwind eCommerce logo — Shopify and BigCommerce ecommerce development agencyWhirlwind eCommerce
Gloss theme preview

Gloss

Gloss is a Astro theme by ondelva (Free). Tested on 2026-11-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 99 for mobile speed and 100 for desktop speed, 100/100 for SEO and 100/100 for accessibility (mobile/desktop, 0–100).

Mobile99
Gloss home page on mobile
Desktop100
Gloss home page on desktop

Scores

MobileDesktop
Speed99100
SEO100100
Accessibility100100
Best practices100100

Single preset · measured 2 times since 2026-11-07 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Why not 100 — Gloss home page

Mobile

Speed 99 · 1 points to gain

  • −0.5 First Contentful Paint medium effort

Desktop

Every score is 100.

Presets and pages

Preset / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Gloss default demo ↗ 99100100100100100 2026-11-07
home ↗ 99100100100100100 2026-11-07

Show this score on your site

A live badge: it always shows Gloss's current score and links back here. Paste this where the theme is sold or documented.

Gloss: mobile speed 99 on Themestested
<a href="https://themestested.com/theme/astro/gloss"><img src="https://themestested.com/badge/astro/gloss.svg" alt="Gloss speed score on Themestested" height="20"></a>

Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.