Lambda
Listed as "Lambda — Portfolio Template"
Lambda is a Astro theme by Lambda Studio (Paid). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 90 for mobile speed and 94 for desktop speed, 100/100 for SEO and 93/93 for accessibility (mobile/desktop, 0–100).
Mobile90
Desktop94
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 90 | 94 |
| SEO | 100 | 100 |
| Accessibility | 93 | 93 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Lambda — Portfolio Template home page
Mobile
Speed 90 · 10 points to gain
- −7.8 Largest Contentful Paint medium effort
- −1.2 First Contentful Paint medium effort
- −1.1 Speed Index medium effort
- 807 ms Avoid multiple page redirects low effort
Accessibility 93 · 7 points to gain
- −3.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.6 List items (`<li>`) are not contained within `<ul>`, `<ol>` or `<menu>` parent elements. low effort
Desktop
Speed 94 · 6 points to gain
- −3.2 Speed Index medium effort
- −2 Largest Contentful Paint medium effort
- −0.5 First Contentful Paint medium effort
- 316 ms Avoid multiple page redirects low effort
Accessibility 93 · 7 points to gain
- −3.6 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.6 List items (`<li>`) are not contained within `<ul>`, `<ol>` or `<menu>` parent elements. low effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Lambda — Portfolio Template default demo ↗ | 90 | 100 | 93 | 94 | 100 | 93 | 2026-09-12 |
| home ↗ | 90 | 100 | 93 | 94 | 100 | 93 | 2026-09-12 |
Show this score on your site
A live badge: it always shows Lambda's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/astro/lambda-portfolio-template"><img src="https://themestested.com/badge/astro/lambda-portfolio-template.svg" alt="Lambda speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.