Promptly
Promptly is a Webflow theme ($99). Tested on 2026-11-04 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 98 for mobile speed and 100 for desktop speed, 100/100 for SEO and 100/100 for accessibility (mobile/desktop, 0–100).
Mobile98

Desktop100

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 98 | 100 |
| SEO | 100 | 100 |
| Accessibility | 100 | 100 |
| Best practices | 100 | 100 |
Single preset · measured 4 times since 2026-10-05 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Promptly home page
Mobile
Speed 98 · 2 points to gain
- −1.2 Speed Index medium effort
- −1 Cumulative Layout Shift medium effort
Desktop
Every score is 100.
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Promptly default demo ↗ | 98 | 100 | 100 | 100 | 100 | 100 | 2026-11-04 |
| home ↗ | 98 | 100 | 100 | 100 | 100 | 100 | 2026-11-04 |