Oxygen
Oxygen is a Webflow theme by Templates ($99). Tested on 2026-10-03 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 47 for mobile speed and 64 for desktop speed, 100/100 for SEO and 84/84 for accessibility (mobile/desktop, 0–100).
Mobile47
Desktop64
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 47 | 64 |
| SEO | 100 | 100 |
| Accessibility | 84 | 84 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-10-03 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Oxygen home page
Mobile
Speed 47 · 53 points to gain
- −25 Largest Contentful Paint medium effort
- −21.8 Cumulative Layout Shift medium effort
- −4.3 Speed Index medium effort
- −1.5 First Contentful Paint medium effort
- 750 ms Reduce unused JavaScript high effort
- 150 ms Reduce unused CSS high effort
Accessibility 84 · 16 points to gain
- −4.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.3 `<html>` element does not have a `[lang]` attribute low effort
- −4.3 Links do not have a discernible name medium effort
- −1.8 Heading elements are not in a sequentially-descending order medium effort
- −1.8 Document does not have a main landmark. medium effort
Desktop
Speed 64 · 36 points to gain
- −18.3 Cumulative Layout Shift medium effort
- −9 Speed Index medium effort
- −8.2 Largest Contentful Paint medium effort
- −0.6 Total Blocking Time medium effort
- 130 ms Reduce unused JavaScript high effort
Accessibility 84 · 16 points to gain
- −4.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.3 `<html>` element does not have a `[lang]` attribute low effort
- −4.3 Links do not have a discernible name medium effort
- −1.8 Heading elements are not in a sequentially-descending order medium effort
- −1.8 Document does not have a main landmark. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Oxygen default demo ↗ | 47 | 100 | 84 | 64 | 100 | 84 | 2026-10-03 |
| home ↗ | 47 | 100 | 84 | 64 | 100 | 84 | 2026-10-03 |
Show this score on your site
A live badge: it always shows Oxygen's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/webflow/oxygen-ui-kit-website-template"><img src="https://themestested.com/badge/webflow/oxygen-ui-kit-website-template.svg" alt="Oxygen speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.