Page Load Magic vs Thunder Page Speed Optimizer
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026 for Page Load Magic, Nov 6, 2026 for Thunder Page Speed Optimizer.
The short answer
- On the Shopify App Store: Page Load Magic 4.9 from 33 reviews and Thunder Page Speed Optimizer 4.9 from 89 reviews.
- Only Thunder Page Speed Optimizer lists a free plan.
- Thunder Page Speed Optimizer lists 9 features Page Load Magic’s listing doesn’t mention, including Analytics, Audits, Image compression.
Head to head
Make website load instantly and increase conversions
- United States
- Australia
- United Kingdom
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
One-time charge
Free Plan
- · Basic Optimizations
- · Email Support
Advanced
- · Auto-optimize on theme updates
- · Critical CSS
- · Daily Lighthouse score tracking
- · Defer JS, CSS & 3rd-party apps scripts
- · Lazy-load offscreen images
- · Predictive Link Preloading
Visitor Insights
- · 500K visitor pageviews included
- · Actionable fix suggestions
- · All optimizations included
- · Core Web Vitals from your real visitors
- · Core Web Vitals: LCP, CLS, INP
- · Page-by-page Core Web Vitals breakdown
AI Agent
- · Automatically fix theme issues
- · Automatically optimize Core Web Vitals
- · Detect regressions within hours
- · Includes Performance Insights
- · Powered by Claude Opus & GPT-5.6
- · Priority Hands-On Support
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureModern stores can’t squeeze much more out of JavaScript or CSS compression—but our app takes a different approach. Instead of optimizing files, we optimize perception. Using our new predictive preloading technology, pages are predicted and preloaded before customers click, so they feel instant, even with heavy themes or low speed scores. Works perfectly on desktop and mobile.
Keep your store speed fast, easy to discover, and ready for AI / LLMs. Thunder continuously monitors how real shoppers experience every page and proactively optimizes slow pages, images, CSS, navigation, and third-party scripts. It identifies delayed clicks, layout shifts, broken links, and hard-to-crawl content, then prioritizes what needs attention.
- Instantly pre-loads the next page
- 1 Click Installation
- Fully automated. Almost magical
- Your store code is not modified
- Massively speed your store up. Boost SEO score. Lower CPMs.
- Fix apps and themes that slow down your store speed score.
- Faster websites = Less frustrated customers = More Sales
- Instant "Above The Fold" loading + Predictive preloading webpage technology
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Page Load Magic |  Thunder Page Speed Optimizer |
|---|---|---|
| Detected stores | 28 | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Business & Industrial, Apparel & Accessories, Home & Garden | Not published |
| Top store countries | United States, Australia, United Kingdom | Not published |
Reviews
| Measure | Page Load Magic | Thunder Page Speed Optimizer |
|---|---|---|
| App Store rating | 4.9 ★ | 4.9 ★ |
| App Store reviews | 33 | 89(ahead) |
| New reviews, 28 days | 0 | 7(ahead) |
| Reviewers a year or more in | Not enough data | 0% |
Pricing
| Measure | Page Load Magic | Thunder Page Speed Optimizer |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | No monthly plan listed | $19.99/month |
| Longest free trial | Not listed | 7 days |
| Plans listed | 1 | 4 |
Listing
| Measure | Page Load Magic | Thunder Page Speed Optimizer |
|---|---|---|
| Shopify category rank | #98 | #54 |
| Shopify App Charts | #11 in Site optimization - Other | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jul 9, 2019 | May 27, 2022 |
| Languages | 1 | 1 |
| Developer | Kaleido | Enigma Apps |
FAQ
Page Load Magic and Thunder Page Speed Optimizer: common questions
- Is Page Load Magic or Thunder Page Speed Optimizer cheaper?
- Only Thunder Page Speed Optimizer lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Page Load Magic or Thunder Page Speed Optimizer?
- On the Shopify App Store: Page Load Magic 4.9 from 33 reviews and Thunder Page Speed Optimizer 4.9 from 89 reviews.
- What features does each app list that the other doesn’t?
- Page Load Magic lists 2 the others don’t mention, such as Automations, Content optimization. Thunder Page Speed Optimizer lists 9 the others don’t mention, such as Analytics, Audits, Image compression, Image optimization. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 8, 2026 for Page Load Magic, Nov 6, 2026 for Thunder Page Speed Optimizer; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 8, 2026 for Page Load Magic, Nov 6, 2026 for Thunder Page Speed Optimizer. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.