Jotterpress
Jotterpress is a Squarespace theme by Squarespace (Free). Tested on 2026-10-28 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 52 for mobile speed and 83 for desktop speed, 92/92 for SEO and 88/88 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 9.9 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile52

Desktop83

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 52 | 83 |
| SEO | 92 | 92 |
| Accessibility | 88 | 88 |
| Best practices | 100 | 96 |
Single preset · measured 8 times since 2026-10-14 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Jotterpress home page
Mobile
Speed 52 · 48 points to gain
- −25 Largest Contentful Paint medium effort
- −10 First Contentful Paint medium effort
- −10 Speed Index medium effort
- −2.7 Total Blocking Time medium effort
- 2.9 s Reduce unused JavaScript high effort
- 750 ms Reduce unused CSS high effort
SEO 92 · 8 points to gain
- −7.7 Document does not have a meta description low effort
Accessibility 88 · 12 points to gain
- −3.9 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −3.9 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.9 Links do not have a discernible name medium effort
Desktop
Speed 83 · 17 points to gain
- −10 Speed Index medium effort
- −3.9 Total Blocking Time medium effort
- −2.7 Largest Contentful Paint medium effort
SEO 92 · 8 points to gain
- −7.7 Document does not have a meta description low effort
Accessibility 88 · 12 points to gain
- −3.9 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −3.9 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.9 Links do not have a discernible name medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Jotterpress default demo ↗ | 52 | 92 | 88 | 83 | 92 | 88 | 2026-10-28 |
| home ↗ | 52 | 92 | 88 | 83 | 92 | 88 | 2026-10-28 |