Casa
Casa is a Webflow theme by Templates ($129). Tested on 2026-09-27 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 57 for mobile speed and 96 for desktop speed, 91/91 for SEO and 89/89 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 31.3 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile57

Desktop96

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 57 | 96 |
| SEO | 91 | 91 |
| Accessibility | 89 | 89 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-27 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Casa home page
Mobile
Speed 57 · 43 points to gain
- −19.3 Largest Contentful Paint medium effort
- −14 Cumulative Layout Shift medium effort
- −7.8 First Contentful Paint medium effort
- −2.1 Speed Index medium effort
- 150 ms Reduce unused CSS high effort
SEO 91 · 9 points to gain
- −9.1 Document does not have a meta description low effort
Accessibility 89 · 11 points to gain
- −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 Document does not have a main landmark. medium effort
Desktop
Speed 96 · 4 points to gain
- −2.5 Largest Contentful Paint medium effort
- −1.2 First Contentful Paint medium effort
SEO 91 · 9 points to gain
- −9.1 Document does not have a meta description low effort
Accessibility 89 · 11 points to gain
- −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 Document does not have a main landmark. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Casa default demo ↗ | 57 | 91 | 89 | 96 | 91 | 89 | 2026-09-27 |
| home ↗ | 57 | 91 | 89 | 96 | 91 | 89 | 2026-09-27 |