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

Megastore

Megastore is a Shopify theme by Creative Commerce ($320). Tested on 2026-10-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 73 for mobile speed and 94 for desktop speed, 97/97 for SEO and 95/95 for accessibility (mobile/desktop, 0–100). Those are medians across its 5 tested presets; mobile speed across every tested page ranges from 57 to 82. On its marketplace it is rated 3.7 out of 5 from 3 reviews.

Mobile67
Megastore home page on mobile
Desktop84
Megastore home page on desktop

Scores

MobileDesktop
Speed7394
SEO9797
Accessibility9595
Best practices9593

Median of 5 presets · measured 60 times since 2026-09-11 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.

Why not 100 — Megastore home page

Mobile

Speed 67 · 33 points to gain

  • −19.5 Largest Contentful Paint medium effort
  • −7.2 Speed Index medium effort
  • −3.9 Total Blocking Time medium effort
  • −2.3 First Contentful Paint medium effort
  • 150 ms Reduce unused CSS high effort

SEO 92 · 8 points to gain

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

Accessibility 91 · 9 points to gain

  • −3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
  • −3 Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). low effort
  • −3 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

Desktop

Speed 84 · 16 points to gain

  • −8.5 Largest Contentful Paint medium effort
  • −4.2 Speed Index medium effort
  • −3 Total Blocking Time medium effort

SEO 92 · 8 points to gain

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

Accessibility 91 · 9 points to gain

  • −3 Background and foreground colors do not have a sufficient contrast ratio. medium effort
  • −3 Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). low effort
  • −3 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 / pageSpeedSEOA11ySpeedSEOA11yTested
mobiledesktop
Fit demo ↗ 789796979796 2026-10-12
category ↗ 81100979810097 2026-10-12
home ↗ 789294959294 2026-10-12
product ↗ 75100969810096 2026-10-12
Idea demo ↗ 699793949793 2026-10-12
category ↗ 79100979810097 2026-10-12
home ↗ 709287869287 2026-10-12
product ↗ 57100969810096 2026-10-12
Makeup demo ↗ 759795949795 2026-10-12
category ↗ 82100979810097 2026-10-12
home ↗ 719291919291 2026-10-12
product ↗ 72100969410096 2026-10-12
Bride demo ↗ 739795949795 2026-10-12
category ↗ 80100979910097 2026-10-12
home ↗ 639291859291 2026-10-12
product ↗ 75100969810096 2026-10-12
Megastore default demo ↗ 739795929795 2026-10-12
category ↗ 80100979810097 2026-10-12
home ↗ 679291849291 2026-10-12
product ↗ 71100969510096 2026-10-12

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Megastore: mobile speed 73 on Themestested
<a href="https://themestested.com/theme/shopify/megastore"><img src="https://themestested.com/badge/shopify/megastore.svg" alt="Megastore speed score on Themestested" height="20"></a>

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