Delux
Delux is a Webflow theme by here ($39). Tested on 2026-09-28 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 69 for mobile speed and 96 for desktop speed, 100/100 for SEO and 85/83 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 8.7 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile69
Desktop96
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 69 | 96 |
| SEO | 100 | 100 |
| Accessibility | 85 | 83 |
| Best practices | 96 | 96 |
Single preset · measured 2 times since 2026-09-28 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Delux home page
Mobile
Speed 69 · 31 points to gain
- −21 Largest Contentful Paint medium effort
- −8.1 First Contentful Paint medium effort
- −2.3 Speed Index medium effort
Accessibility 85 · 15 points to gain
- −4.5 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.5 `<html>` element does not have a `[lang]` attribute low effort
- −4.5 Links do not have a discernible name medium effort
- −1.9 Heading elements are not in a sequentially-descending order medium effort
Best practices 96 · 4 points to gain
- −3.8 Displays images with incorrect aspect ratio low effort
Desktop
Speed 96 · 4 points to gain
- −2.5 Largest Contentful Paint medium effort
- −1.2 Total Blocking Time medium effort
Accessibility 83 · 17 points to gain
- −4.5 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.5 `<html>` element does not have a `[lang]` attribute low effort
- −4.5 Links do not have a discernible name medium effort
- −1.9 Heading elements are not in a sequentially-descending order medium effort
- −1.9 Document does not have a main landmark. 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 | ||||||
| Delux default demo ↗ | 69 | 100 | 85 | 96 | 100 | 83 | 2026-09-28 |
| home ↗ | 69 | 100 | 85 | 96 | 100 | 83 | 2026-09-28 |
Show this score on your site
A live badge: it always shows Delux's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/webflow/delux-conference-website-template"><img src="https://themestested.com/badge/webflow/delux-conference-website-template.svg" alt="Delux speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.