Kas
Kas is a Framer theme by Kas (Free). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 38 for mobile speed and 73 for desktop speed, 100/100 for SEO and 97/96 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 13.3 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile38
Desktop73
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 38 | 73 |
| SEO | 100 | 100 |
| Accessibility | 97 | 96 |
| Best practices | 77 | 77 |
Single preset · measured 2 times since 2026-09-13 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Kas home page
Mobile
Speed 38 · 62 points to gain
- −28.2 Total Blocking Time medium effort
- −25 Largest Contentful Paint medium effort
- −5.8 Speed Index medium effort
- −2 First Contentful Paint medium effort
- −1.5 Cumulative Layout Shift medium effort
- 450 ms Reduce unused JavaScript high effort
Accessibility 97 · 3 points to gain
- −1.7 Heading elements are not in a sequentially-descending order medium effort
- −1.7 Document does not have a main landmark. medium effort
Best practices 77 · 23 points to gain
- −19.2 Uses third-party cookies high effort
- −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort
Desktop
Speed 73 · 27 points to gain
- −22.2 Total Blocking Time medium effort
- −3.8 Speed Index medium effort
- −0.5 Largest Contentful Paint medium effort
Accessibility 96 · 4 points to gain
- −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 77 · 23 points to gain
- −19.2 Uses third-party cookies high effort
- −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Kas default demo ↗ | 38 | 100 | 97 | 73 | 100 | 96 | 2026-09-13 |
| home ↗ | 38 | 100 | 97 | 73 | 100 | 96 | 2026-09-13 |
Show this score on your site
A live badge: it always shows Kas's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/framer/kas"><img src="https://themestested.com/badge/framer/kas.svg" alt="Kas speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.