Devtool Launch Kit
Devtool Launch Kit is a Framer theme by Hậu Chử ($89). Tested on 2026-09-14 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 44 for mobile speed and 68 for desktop speed, 100/100 for SEO and 93/93 for accessibility (mobile/desktop, 0–100).
Mobile44
Desktop68
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 44 | 68 |
| SEO | 100 | 100 |
| Accessibility | 93 | 93 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-14 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Devtool Launch Kit home page
Mobile
Speed 44 · 56 points to gain
- −29.7 Total Blocking Time medium effort
- −18.3 Largest Contentful Paint medium effort
- −6.2 First Contentful Paint medium effort
- −1.9 Speed Index medium effort
- 450 ms Reduce unused JavaScript high effort
Accessibility 93 · 7 points to gain
- −4.9 `<html>` element does not have a `[lang]` attribute low effort
- −2.1 Heading elements are not in a sequentially-descending order medium effort
Desktop
Speed 68 · 32 points to gain
- −29.4 Total Blocking Time medium effort
- −2.5 Speed Index medium effort
Accessibility 93 · 7 points to gain
- −4.9 `<html>` element does not have a `[lang]` attribute low effort
- −2.1 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 | ||||||
| Devtool Launch Kit default demo ↗ | 44 | 100 | 93 | 68 | 100 | 93 | 2026-09-14 |
| home ↗ | 44 | 100 | 93 | 68 | 100 | 93 | 2026-09-14 |
Show this score on your site
A live badge: it always shows Devtool Launch Kit's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/framer/devtool-launch-kit"><img src="https://themestested.com/badge/framer/devtool-launch-kit.svg" alt="Devtool Launch Kit speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.