Wave
Wave 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 53 for mobile speed and 81 for desktop speed, 100/100 for SEO and 79/81 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 42.7 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile53
Desktop81
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 53 | 81 |
| SEO | 100 | 100 |
| Accessibility | 79 | 81 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-10-05 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Wave home page
Mobile
Speed 53 · 47 points to gain
- −24.3 Largest Contentful Paint medium effort
- −9.9 First Contentful Paint medium effort
- −7.9 Speed Index medium effort
- −4.5 Cumulative Layout Shift medium effort
- 1.2 s Reduce unused CSS high effort
- 600 ms Reduce unused JavaScript high effort
- 150 ms Minify CSS low effort
Accessibility 79 · 21 points to gain
- −4.2 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.2 `<html>` element does not have a `[lang]` attribute low effort
- −4.2 Links rely on color to be distinguishable. medium effort
- −4.2 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 81 · 19 points to gain
- −8.5 Largest Contentful Paint medium effort
- −7.3 Speed Index medium effort
- −3.7 First Contentful Paint medium effort
- 140 ms Reduce unused CSS high effort
Accessibility 81 · 19 points to gain
- −4.2 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.2 `<html>` element does not have a `[lang]` attribute low effort
- −4.2 Links rely on color to be distinguishable. medium effort
- −4.2 Links do not have a discernible name medium effort
- −1.8 Heading elements are not in a sequentially-descending order medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Wave default demo ↗ | 53 | 100 | 79 | 81 | 100 | 81 | 2026-10-05 |
| home ↗ | 53 | 100 | 79 | 81 | 100 | 81 | 2026-10-05 |
Show this score on your site
A live badge: it always shows Wave's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/webflow/wave-saas-website-template"><img src="https://themestested.com/badge/webflow/wave-saas-website-template.svg" alt="Wave speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.