themestestedbyWhirlwind eCommerce logo — Shopify and BigCommerce ecommerce development agencyWhirlwind eCommerce
Pen theme preview

Pen

WordPresshtmlpieFree5.0★ 49 marketplace ↗live demo ↗

Pen is a WordPress theme by htmlpie (Free). Tested on 2026-10-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 81 for mobile speed and 98 for desktop speed, 50/54 for SEO and 100/100 for accessibility (mobile/desktop, 0–100). On its marketplace it is rated 5.0 out of 5 from 49 reviews.

Mobile81
Pen home page on mobile
Desktop98
Pen home page on desktop

Scores

MobileDesktop
Speed8198
SEO5054
Accessibility100100
Best practices100100

Single preset · measured 4 times since 2026-10-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Why not 100 — Pen home page

Mobile

Speed 81 · 19 points to gain

  • −11.2 Largest Contentful Paint medium effort
  • −5.1 Speed Index medium effort
  • −1.5 Total Blocking Time medium effort
  • −1.1 First Contentful Paint 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

Desktop

Speed 98 · 2 points to gain

  • −1.1 Speed Index medium effort
  • −1 Largest Contentful Paint medium effort

SEO 54 · 46 points to gain

  • −36.6 Page is blocked from indexing low effort
  • −9.1 Document does not have a meta description low effort

Presets and pages

Preset / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Pen default demo ↗ 81501009854100 2026-10-12
home ↗ 81501009854100 2026-10-12

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A live badge: it always shows Pen's current score and links back here. Paste this where the theme is sold or documented.

Pen: mobile speed 81 on Themestested
<a href="https://themestested.com/theme/wordpress/pen"><img src="https://themestested.com/badge/wordpress/pen.svg" alt="Pen speed score on Themestested" height="20"></a>

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