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Portobello Crest theme preview

Portobello Crest

Portobello Crest is a BigCommerce theme by Flair Consultancy ($235). Tested on 2026-11-10 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 65 for mobile speed and 87 for desktop speed, 87/90 for SEO and 88/86 for accessibility (mobile/desktop, 0–100).

Mobile74
Portobello Crest home page on mobile
Desktop77
Portobello Crest home page on desktop

Scores

MobileDesktop
Speed6587
SEO8790
Accessibility8886
Best practices9797

Single preset · measured 36 times since 2026-10-03 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Why not 100 — Portobello-Crest home page

Mobile

Speed 74 · 26 points to gain

  • −23.5 Largest Contentful Paint medium effort
  • −1.8 Speed Index medium effort
  • 900 ms Reduce unused JavaScript high effort
  • 450 ms Reduce unused CSS high effort
  • 150 ms Minify JavaScript low effort

SEO 92 · 8 points to gain

  • −7.7 Document does not have a meta description low effort

Accessibility 91 · 9 points to gain

  • −4.4 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
  • −3.1 `[aria-hidden="true"]` elements contain focusable descendents medium effort
  • −1.3 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 77 · 23 points to gain

  • −16 Cumulative Layout Shift medium effort
  • −4.3 Largest Contentful Paint medium effort
  • −2.1 Total Blocking Time medium effort

SEO 92 · 8 points to gain

  • −7.7 Document does not have a meta description low effort

Accessibility 88 · 12 points to gain

  • −4.4 `[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5. low effort
  • −3.1 `[aria-hidden="true"]` elements contain focusable descendents medium effort
  • −3.1 Links do not have a discernible name medium effort
  • −1.3 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 / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Portobello-Crest default demo ↗ 658788879086 2026-10-31
category ↗ 809290929287 2026-11-10
home ↗ 749291779288 2026-10-31
product ↗ 417783938584 2026-11-10

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Portobello Crest: mobile speed 65 on Themestested
<a href="https://themestested.com/theme/bigcommerce/portobello-crest"><img src="https://themestested.com/badge/bigcommerce/portobello-crest.svg" alt="Portobello Crest speed score on Themestested" height="20"></a>

Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.