Thesis
Thesis is a Webflow theme by Templates ($79). Tested on 2026-10-05 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 59 for mobile speed and 71 for desktop speed, 100/100 for SEO and 90/90 for accessibility (mobile/desktop, 0–100).
Mobile59
Desktop71
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 59 | 71 |
| SEO | 100 | 100 |
| Accessibility | 90 | 90 |
| Best practices | 96 | 96 |
Single preset · measured 2 times since 2026-10-05 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Thesis home page
Mobile
Speed 59 · 41 points to gain
- −25 Largest Contentful Paint medium effort
- −9.8 First Contentful Paint medium effort
- −6.3 Speed Index medium effort
Accessibility 90 · 10 points to gain
- −3.4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.4 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
Best practices 96 · 4 points to gain
- −3.8 Displays images with incorrect aspect ratio low effort
Desktop
Speed 71 · 29 points to gain
- −17.5 Largest Contentful Paint medium effort
- −4.8 Speed Index medium effort
- −3.6 First Contentful Paint medium effort
- −3.6 Total Blocking Time medium effort
Accessibility 90 · 10 points to gain
- −3.4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.4 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
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 | ||||||
| Thesis default demo ↗ | 59 | 100 | 90 | 71 | 100 | 90 | 2026-10-05 |
| home ↗ | 59 | 100 | 90 | 71 | 100 | 90 | 2026-10-05 |
Show this score on your site
A live badge: it always shows Thesis's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/webflow/thesis-magazine-website-template"><img src="https://themestested.com/badge/webflow/thesis-magazine-website-template.svg" alt="Thesis speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.