Lens
Lens is a Webflow theme by Templates ($59). Tested on 2026-09-30 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 69 for mobile speed and 84 for desktop speed, 91/91 for SEO and 86/88 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 13.1 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile69

Desktop84

Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 69 | 84 |
| SEO | 91 | 91 |
| Accessibility | 86 | 88 |
| Best practices | 96 | 100 |
Single preset · measured 2 times since 2026-09-30 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Lens home page
Mobile
Speed 69 · 31 points to gain
- −19.8 Largest Contentful Paint medium effort
- −6.7 First Contentful Paint medium effort
- −3.4 Speed Index medium effort
- −1.5 Total Blocking Time medium effort
- 150 ms Reduce unused CSS high effort
SEO 91 · 9 points to gain
- −9.1 Links do not have descriptive text low 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
Best practices 96 · 4 points to gain
- −3.8 Displays images with incorrect aspect ratio low effort
Desktop
Speed 84 · 16 points to gain
- −8 Largest Contentful Paint medium effort
- −5.6 Speed Index medium effort
- −1.3 First Contentful Paint medium effort
- −1.2 Total Blocking Time medium effort
SEO 91 · 9 points to gain
- −9.1 Links do not have descriptive text low effort
Accessibility 88 · 12 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
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Lens default demo ↗ | 69 | 91 | 86 | 84 | 91 | 88 | 2026-09-30 |
| home ↗ | 69 | 91 | 86 | 84 | 91 | 88 | 2026-09-30 |