Terso
Terso is a Webflow theme by Templates ($49). Tested on 2026-10-05 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 70 for mobile speed and 95 for desktop speed, 100/100 for SEO and 86/86 for accessibility (mobile/desktop, 0–100).
Mobile70
Desktop95
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 70 | 95 |
| SEO | 100 | 100 |
| Accessibility | 86 | 86 |
| 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 — Terso home page
Mobile
Speed 70 · 30 points to gain
- −19.8 Largest Contentful Paint medium effort
- −7.8 First Contentful Paint medium effort
- −2.1 Speed Index medium effort
Accessibility 86 · 14 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
- −1.5 Heading elements are not in a sequentially-descending order medium effort
- −1.5 Document does not have a main landmark. medium effort
Desktop
Speed 95 · 5 points to gain
- −2.5 Largest Contentful Paint medium effort
- −1.6 First Contentful Paint medium effort
- −1.4 Speed Index medium effort
Accessibility 86 · 14 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
- −1.5 Heading elements are not in a sequentially-descending order medium effort
- −1.5 Document does not have a main landmark. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Terso default demo ↗ | 70 | 100 | 86 | 95 | 100 | 86 | 2026-10-05 |
| home ↗ | 70 | 100 | 86 | 95 | 100 | 86 | 2026-10-05 |
Show this score on your site
A live badge: it always shows Terso's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/webflow/terso-agency-website-template"><img src="https://themestested.com/badge/webflow/terso-agency-website-template.svg" alt="Terso speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.