Seis
Seis is a Framer theme by Plaiter (Free). Tested on 2026-09-14 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores – for mobile speed and 85 for desktop speed, –/69 for SEO and –/78 for accessibility (mobile/desktop, 0–100).
Mobile
Screenshot pending
Desktop85
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | – | 85 |
| SEO | – | 69 |
| Accessibility | – | 78 |
| Best practices | – | 100 |
Single preset · measured 1 times since 2026-09-14 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Seis home page
Mobile
Not extracted yet for this page.
Desktop
Speed 85 · 15 points to gain
- −14.3 Cumulative Layout Shift medium effort
SEO 69 · 31 points to gain
- −31 Page is blocked from indexing low effort
Accessibility 78 · 22 points to gain
- −5.8 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −5.8 `<html>` element does not have a `[lang]` attribute low effort
- −5.8 Links do not have a discernible name medium effort
- −2.5 Heading elements are not in a sequentially-descending order medium effort
- −2.5 Document does not have a main landmark. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Seis default demo ↗ | – | – | – | 85 | 69 | 78 | 2026-09-14 |
| home ↗ | – | – | – | 85 | 69 | 78 | 2026-09-14 |
Show this score on your site
A live badge: it always shows Seis's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/framer/seis"><img src="https://themestested.com/badge/framer/seis.svg" alt="Seis speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.