Optimismo
Optimismo is a WordPress theme by Automattic (Free). Tested on 2026-09-16 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 80 for mobile speed and 100 for desktop speed, 50/50 for SEO and 96/96 for accessibility (mobile/desktop, 0–100). Note: its demo home page is light — 581 KB in 7 requests — where a stocked storefront is usually 1–4 MB, so the speed score flatters it.
Mobile80
Desktop100
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 80 | 100 |
| SEO | 50 | 50 |
| Accessibility | 96 | 96 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-16 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Optimismo home page
Mobile
Speed 80 · 20 points to gain
- −11 Largest Contentful Paint medium effort
- −7.2 First Contentful Paint medium effort
- −1.6 Speed Index medium effort
SEO 50 · 50 points to gain
- −40.3 Page is blocked from indexing low effort
- −10 Document does not have a meta description low effort
Accessibility 96 · 4 points to gain
- −4.4 Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). low effort
Desktop
SEO 50 · 50 points to gain
- −40.3 Page is blocked from indexing low effort
- −10 Document does not have a meta description low effort
Accessibility 96 · 4 points to gain
- −4.4 Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). low effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Optimismo default demo ↗ | 80 | 50 | 96 | 100 | 50 | 96 | 2026-09-16 |
| home ↗ | 80 | 50 | 96 | 100 | 50 | 96 | 2026-09-16 |
Show this score on your site
A live badge: it always shows Optimismo's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/wordpress/optimismo"><img src="https://themestested.com/badge/wordpress/optimismo.svg" alt="Optimismo speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.