Flatform
Flatform is a Webflow theme by Templates ($99). Tested on 2026-10-07 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 67 for mobile speed and 92 for desktop speed, 100/100 for SEO and 83/83 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 14.4 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile67
Desktop92
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 67 | 92 |
| SEO | 100 | 100 |
| Accessibility | 83 | 83 |
| Best practices | 96 | 96 |
Single preset · measured 4 times since 2026-09-28 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Flatform home page
Mobile
Speed 67 · 33 points to gain
- −20 Largest Contentful Paint medium effort
- −8.1 First Contentful Paint medium effort
- −4.5 Speed Index medium effort
- 600 ms Reduce unused JavaScript high effort
Accessibility 83 · 17 points to gain
- −3.5 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.5 `<html>` element does not have a `[lang]` attribute low effort
- −3.5 Links do not have a discernible name medium effort
- −3.5 Touch targets do not have sufficient size or spacing. medium effort
- −1.5 Heading elements are not in a sequentially-descending order medium effort
- −1.5 Document does not have a main landmark. medium effort
Best practices 96 · 4 points to gain
- −3.8 Displays images with incorrect aspect ratio low effort
Desktop
Speed 92 · 8 points to gain
- −6 Largest Contentful Paint medium effort
- −1.8 Total Blocking Time medium effort
Accessibility 83 · 17 points to gain
- −3.5 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.5 `<html>` element does not have a `[lang]` attribute low effort
- −3.5 Links do not have a discernible name medium effort
- −3.5 Touch targets do not have sufficient size or spacing. medium effort
- −1.5 Heading elements are not in a sequentially-descending order medium effort
- −1.5 Document does not have a main landmark. medium effort
Best practices 96 · 4 points to gain
- −3.8 Displays images with incorrect aspect ratio low effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Flatform default demo ↗ | 67 | 100 | 83 | 92 | 100 | 83 | 2026-10-07 |
| home ↗ | 67 | 100 | 83 | 92 | 100 | 83 | 2026-10-07 |
Show this score on your site
A live badge: it always shows Flatform's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/webflow/flatform-agency-website-template"><img src="https://themestested.com/badge/webflow/flatform-agency-website-template.svg" alt="Flatform speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.