Oslo
Listed as "Oslo "
Oslo is a Framer theme by Dawid Pietrasiak (Free). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 85 for mobile speed and 100 for desktop speed, 100/100 for SEO and 94/94 for accessibility (mobile/desktop, 0–100).
Mobile85
Desktop100
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 85 | 100 |
| SEO | 100 | 100 |
| Accessibility | 94 | 94 |
| Best practices | 96 | 96 |
Single preset · measured 2 times since 2026-09-13 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Oslo home page
Mobile
Speed 85 · 15 points to gain
- −15.3 Largest Contentful Paint medium effort
- 450 ms Reduce unused JavaScript high effort
Accessibility 94 · 6 points to gain
- −4.3 Links do not have a discernible name medium effort
- −1.8 Document does not have a main landmark. medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 100 · 0 points to gain
- −0.5 Largest Contentful Paint medium effort
Accessibility 94 · 6 points to gain
- −4.3 Links do not have a discernible name medium effort
- −1.8 Document does not have a main landmark. medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Oslo default demo ↗ | 85 | 100 | 94 | 100 | 100 | 94 | 2026-09-13 |
| home ↗ | 85 | 100 | 94 | 100 | 100 | 94 | 2026-09-13 |
Show this score on your site
A live badge: it always shows Oslo's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/framer/oslo"><img src="https://themestested.com/badge/framer/oslo.svg" alt="Oslo speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.