Manuscript
Manuscript is a Webflow theme by Templates ($129). Tested on 2026-09-30 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 80 for mobile speed and 91 for desktop speed, 91/91 for SEO and 90/90 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 8.7 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile80

Desktop91

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 80 | 91 |
| SEO | 91 | 91 |
| Accessibility | 90 | 90 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-30 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Manuscript home page
Mobile
Speed 80 · 20 points to gain
- −18 Largest Contentful Paint medium effort
- −1.5 First Contentful Paint medium effort
- 450 ms Reduce unused JavaScript high effort
SEO 91 · 9 points to gain
- −9.1 Document does not have a meta description low effort
Accessibility 90 · 10 points to gain
- −4.9 Input buttons do not have discernible text. medium effort
- −3.4 Links do not have a discernible name medium effort
- −1.5 Heading elements are not in a sequentially-descending order medium effort
Desktop
Speed 91 · 9 points to gain
- −8.2 Largest Contentful Paint medium effort
- −0.7 Speed Index medium effort
SEO 91 · 9 points to gain
- −9.1 Document does not have a meta description low effort
Accessibility 90 · 10 points to gain
- −4.9 Input buttons do not have discernible text. medium effort
- −3.4 Links do not have a discernible name medium effort
- −1.5 Heading elements are not in a sequentially-descending order medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Manuscript default demo ↗ | 80 | 91 | 90 | 91 | 91 | 90 | 2026-09-30 |
| home ↗ | 80 | 91 | 90 | 91 | 91 | 90 | 2026-09-30 |