Proteus
Proteus is a Webflow theme by Templates ($99). Tested on 2026-10-05 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 67 for mobile speed and 93 for desktop speed, 91/91 for SEO and 93/93 for accessibility (mobile/desktop, 0–100).
Mobile67
Desktop93
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 67 | 93 |
| SEO | 91 | 91 |
| Accessibility | 93 | 93 |
| Best practices | 96 | 96 |
Single preset · measured 2 times since 2026-10-05 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Proteus home page
Mobile
Speed 67 · 33 points to gain
- −22.8 Largest Contentful Paint medium effort
- −6.6 First Contentful Paint medium effort
- −3.5 Speed Index medium effort
SEO 91 · 9 points to gain
- −9.1 Links do not have descriptive text low effort
Accessibility 93 · 7 points to gain
- −3.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.6 Links do not have a discernible name medium effort
Best practices 96 · 4 points to gain
- −3.8 Displays images with incorrect aspect ratio low effort
Desktop
Speed 93 · 7 points to gain
- −5.5 Largest Contentful Paint medium effort
- −1.1 Speed Index medium effort
- −0.9 First Contentful Paint medium effort
SEO 91 · 9 points to gain
- −9.1 Links do not have descriptive text low effort
Accessibility 93 · 7 points to gain
- −3.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.6 Links do not have a discernible name 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 | ||||||
| Proteus default demo ↗ | 67 | 91 | 93 | 93 | 91 | 93 | 2026-10-05 |
| home ↗ | 67 | 91 | 93 | 93 | 91 | 93 | 2026-10-05 |
Show this score on your site
A live badge: it always shows Proteus's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/webflow/proteus-ui-kit-website-template"><img src="https://themestested.com/badge/webflow/proteus-ui-kit-website-template.svg" alt="Proteus speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.