Startupos
Startupos is a Webflow theme by Templates ($59). Tested on 2026-10-05 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 57 for mobile speed and 80 for desktop speed, 100/100 for SEO and 84/84 for accessibility (mobile/desktop, 0–100).
Mobile57
Desktop80
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 57 | 80 |
| SEO | 100 | 100 |
| Accessibility | 84 | 84 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-10-05 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Startupos home page
Mobile
Speed 57 · 43 points to gain
- −25 Largest Contentful Paint medium effort
- −10 First Contentful Paint medium effort
- −7.7 Speed Index medium effort
- 450 ms Reduce unused JavaScript high effort
- 150 ms Reduce unused CSS high effort
Accessibility 84 · 16 points to gain
- −4.1 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.1 `<html>` element does not have a `[lang]` attribute low effort
- −4.1 Links do not have a discernible name medium effort
- −1.8 Heading elements are not in a sequentially-descending order medium effort
- −1.8 Document does not have a main landmark. medium effort
Desktop
Speed 80 · 20 points to gain
- −10.3 Largest Contentful Paint medium effort
- −4.9 First Contentful Paint medium effort
- −4.3 Speed Index medium effort
- −0.6 Total Blocking Time medium effort
Accessibility 84 · 16 points to gain
- −4.1 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.1 `<html>` element does not have a `[lang]` attribute low effort
- −4.1 Links do not have a discernible name medium effort
- −1.8 Heading elements are not in a sequentially-descending order medium effort
- −1.8 Document does not have a main landmark. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Startupos default demo ↗ | 57 | 100 | 84 | 80 | 100 | 84 | 2026-10-05 |
| home ↗ | 57 | 100 | 84 | 80 | 100 | 84 | 2026-10-05 |
Show this score on your site
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<a href="https://themestested.com/theme/webflow/startupos-startup-website-template"><img src="https://themestested.com/badge/webflow/startupos-startup-website-template.svg" alt="Startupos speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.