Serviceplain
Serviceplain is a Framer theme by John Nicholson (Free). Tested on 2026-09-28 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 27 for mobile speed and 48 for desktop speed, 69/69 for SEO and 92/92 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 8.2 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile27

Desktop48

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 27 | 48 |
| SEO | 69 | 69 |
| Accessibility | 92 | 92 |
| Best practices | 92 | 92 |
Single preset · measured 2 times since 2026-09-28 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Serviceplain home page
Mobile
Speed 27 · 73 points to gain
- −25 Largest Contentful Paint medium effort
- −17.8 Cumulative Layout Shift medium effort
- −17.7 Total Blocking Time medium effort
- −9.2 Speed Index medium effort
- −3.2 First Contentful Paint medium effort
- 5.8 s Reduce unused JavaScript high effort
- 150 ms Reduce unused CSS high effort
SEO 69 · 31 points to gain
- −31 Page is blocked from indexing low effort
Accessibility 92 · 8 points to gain
- −3.4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.4 `<html>` element does not have a `[lang]` attribute low effort
- −1.5 Document does not have a main landmark. medium effort
Best practices 92 · 8 points to gain
- −3.8 Browser errors were logged to the console medium effort
- −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort
Desktop
Speed 48 · 52 points to gain
- −29.4 Total Blocking Time medium effort
- −15 Largest Contentful Paint medium effort
- −6.6 Speed Index medium effort
- −0.8 Cumulative Layout Shift medium effort
SEO 69 · 31 points to gain
- −31 Page is blocked from indexing low effort
Accessibility 92 · 8 points to gain
- −3.4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.4 `<html>` element does not have a `[lang]` attribute low effort
- −1.5 Document does not have a main landmark. medium effort
Best practices 92 · 8 points to gain
- −3.8 Browser errors were logged to the console medium 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 | ||||||
| Serviceplain default demo ↗ | 27 | 69 | 92 | 48 | 69 | 92 | 2026-09-28 |
| home ↗ | 27 | 69 | 92 | 48 | 69 | 92 | 2026-09-28 |