Celeron Pro
Celeron Pro is a Webflow theme by Templates ($79). Tested on 2026-09-28 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 65 for mobile speed and 78 for desktop speed, 100/100 for SEO and 92/89 for accessibility (mobile/desktop, 0–100). Note: its demo home page is heavy — 7.7 MB — heavier than a typical store, so the speed score may understate the theme.
Mobile65
Desktop78
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 65 | 78 |
| SEO | 100 | 100 |
| Accessibility | 92 | 89 |
| Best practices | 96 | 96 |
Single preset · measured 2 times since 2026-09-28 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Celeron Pro home page
Mobile
Speed 65 · 35 points to gain
- −22 Largest Contentful Paint medium effort
- −6.6 First Contentful Paint medium effort
- −5.7 Total Blocking Time medium effort
- −1.2 Speed Index medium effort
- 1.1 s Reduce unused JavaScript high effort
- 150 ms Reduce unused CSS high effort
Accessibility 92 · 8 points to gain
- −3.8 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.8 Links do not have a discernible name medium effort
Best practices 96 · 4 points to gain
- −3.8 Browser errors were logged to the console medium effort
Desktop
Speed 78 · 22 points to gain
- −13.8 Total Blocking Time medium effort
- −6.8 Largest Contentful Paint medium effort
- −1.2 First Contentful Paint medium effort
- 160 ms Reduce unused JavaScript high effort
Accessibility 89 · 11 points to gain
- −3.8 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −3.8 Links do not have a discernible name medium effort
- −3.8 Touch targets do not have sufficient size or spacing. 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 | ||||||
| Celeron Pro default demo ↗ | 65 | 100 | 92 | 78 | 100 | 89 | 2026-09-28 |
| home ↗ | 65 | 100 | 92 | 78 | 100 | 89 | 2026-09-28 |
Show this score on your site
A live badge: it always shows Celeron Pro's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/webflow/celeron-pro-website-template"><img src="https://themestested.com/badge/webflow/celeron-pro-website-template.svg" alt="Celeron Pro speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.