Istanbul
Istanbul is a Framer theme by Chatto (Free). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 75 for mobile speed and 95 for desktop speed, 61/69 for SEO and 90/87 for accessibility (mobile/desktop, 0–100).
Mobile75
Desktop95
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 75 | 95 |
| SEO | 61 | 69 |
| Accessibility | 90 | 87 |
| 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 — Istanbul home page
Mobile
Speed 75 · 25 points to gain
- −22 Largest Contentful Paint medium effort
- −3.2 First Contentful Paint medium effort
SEO 61 · 39 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Links are not crawlable medium effort
Accessibility 90 · 10 points to gain
- −3.5 Background and foreground colors do not have a sufficient contrast ratio. medium 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
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 95 · 5 points to gain
- −3.3 Largest Contentful Paint medium effort
- −1.8 Total Blocking Time medium effort
SEO 69 · 31 points to gain
- −31 Page is blocked from indexing low effort
Accessibility 87 · 13 points to gain
- −3.3 `[aria-hidden="true"]` elements contain focusable descendents medium effort
- −3.3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.3 Links do not have a discernible name medium effort
- −1.4 Heading elements are not in a sequentially-descending order medium effort
- −1.4 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 | ||||||
| Istanbul default demo ↗ | 75 | 61 | 90 | 95 | 69 | 87 | 2026-09-13 |
| home ↗ | 75 | 61 | 90 | 95 | 69 | 87 | 2026-09-13 |
Show this score on your site
A live badge: it always shows Istanbul's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/framer/istanbul"><img src="https://themestested.com/badge/framer/istanbul.svg" alt="Istanbul speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.