Preloadify ‑ Preloader Effects vs SEOWILL‑ 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 11, 2026.

The short answer

  • SEOWILL‑ Page Speed Optimizer is detected on 8.3× as many Shopify stores as Preloadify: 1,703 vs 204 as of Nov 11, 2026.
  • On the Shopify App Store: Preloadify 5.0 from 19 reviews and SEOWILL‑ Page Speed Optimizer 4.9 from 150 reviews.
  • Only Preloadify lists a free plan.
  • SEOWILL‑ Page Speed Optimizer lists 17 features Preloadify’s listing doesn’t mention, including Alt text, ALT text, Auto-optimization.

Head to head

Detected stores

Preloadify: 204
SEOWILL‑ Page Speed Optimizer: 1,703

App Store reviews

Preloadify: 19
SEOWILL‑ Page Speed Optimizer: 150

New reviews, 28 days

Preloadify: 1
SEOWILL‑ Page Speed Optimizer: 0

Stores added, 28 days

Preloadify: 5
SEOWILL‑ Page Speed Optimizer: 23
Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch

Boost conversion and reduce bounce rate with loading animation

Image Compression,Image Alt, Add Watermark. Page speed boost.

Categories
  • Animation and effects
  • SEO
  • SEO
Languages
  • English
  • Spanish
  • French
  • German
  • +4 more
  • English
  • French
  • Spanish
  • German
  • +2 more
Launched
Jan 21, 2020
Jan 9, 2020
Built for Shopify
Built for Shopify
Built for Shopify
Reviews per month
2 last full month
4 last full month
Detected stores
204active installs
  • fluffyexclusive
  • EL&N London
  • Live The Process
  • Huffer
  • The Official Store of Kareem Abdul-Jabbar
+199 more
1,703active installs
  • E M M A
  • Wanzar Group
  • Sha Posh Textile
  • DEEPTHI GANESH ENTERPRISES
  • Drawdeck
+1,698 more
Most common store size
11-50 products22%
11-50 products23%
Top countries
  • United States25%
  • Australia6%
  • India5%
  • United States14%
  • India5%
  • Germany4%

Momentum

New reviews each month

Review pace is the clearest public read on how fast an app is winning new merchants.

01020SepJanAugDecAprJulOctDecFebAprJunAugSepPreloadify ‑ Preloader Effects: 2 reviews in September 2021Preloadify ‑ Preloader Effects: 2 reviews in November 2021Preloadify ‑ Preloader Effects: 2 reviews in January 2022Preloadify ‑ Preloader Effects: 1 reviews in July 2022Preloadify ‑ Preloader Effects: 2 reviews in August 2022Preloadify ‑ Preloader Effects: 1 reviews in September 2022Preloadify ‑ Preloader Effects: 2 reviews in December 2022Preloadify ‑ Preloader Effects: 1 reviews in March 2023Preloadify ‑ Preloader Effects: 3 reviews in April 2023Preloadify ‑ Preloader Effects: 1 reviews in May 2023Preloadify ‑ Preloader Effects: 1 reviews in July 2023Preloadify ‑ Preloader Effects: 2 reviews in September 2023SEOWILL‑ Page Speed Optimizer: 11 reviews in October 2025SEOWILL‑ Page Speed Optimizer: 19 reviews in November 2025SEOWILL‑ Page Speed Optimizer: 17 reviews in December 2025SEOWILL‑ Page Speed Optimizer: 16 reviews in January 2026SEOWILL‑ Page Speed Optimizer: 5 reviews in February 2026SEOWILL‑ Page Speed Optimizer: 8 reviews in March 2026SEOWILL‑ Page Speed Optimizer: 13 reviews in April 2026SEOWILL‑ Page Speed Optimizer: 12 reviews in May 2026SEOWILL‑ Page Speed Optimizer: 12 reviews in June 2026SEOWILL‑ Page Speed Optimizer: 2 reviews in July 2026SEOWILL‑ Page Speed Optimizer: 9 reviews in August 2026SEOWILL‑ Page Speed Optimizer: 4 reviews in September 2026
PreloadifySEOWILL‑ Page Speed OptimizerCompleted months only
Free options
Free planFree trial
Free planFree trial
Monthly range
From $0 to $5.99/month
—
Plans
Free PlanFree
  • · Adjust settings for the effect you want
  • · Choose devices enabled on
  • · Preview working Preloader
  • · Select favourite animation from presets
Plus Plan$5.99/month
7-day free trial
  • · Choose particular pages for Preloader
  • · Custom Upload & Animate your own images
  • · Free Plan plus:
  • · Set different sizing on Mobile/Tablet
Free
Coverage
13 of 32 features41%
20 of 32 features63%
Unique strengths
  • 3D animations
  • Animation control
  • Backgrounds
  • Color
  • +8 more
  • Alt text
  • ALT text
  • Auto-optimization
  • Compression
  • +13 more
Animation and effects
100%10/10
0%0/10
Customization
100%10/10
0%0/10
Image editor
0%0/12
100%12/12
Bulk editing
0%0/6
100%6/6
Image optimization
0%0/6
100%6/6
SEO
30%3/10
80%8/10
Monitoring performance
50%2/4
75%3/4
SEO tools
17%1/6
83%5/6
12119onlybothonly
PreloadifySEOWILL‑ Page Speed Optimizer32 features listed across both App Store listings

Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.

See every feature
Works with also listed by another
  • Landing Page Builder
  • Review Widgets
  • Email Pop Ups
  • Translation Apps
  • Currency Converters
  • All Themes
—
How it sells itself

Custom Preloader for your store! Show your users a beautiful loading screen and guide them through your shop with smooth transitions. Choose loaders from presets, or upload your own image or logo and adjust the loading animation with many options. You can even enable the preloader on selected templates and disable the preloader on tablet/mobile devices! Does it slow down my store? Not at all!

Enhance Site Performance With SEOWILL(Formerly SEOAnt). Deliver a faster, smoother browsing experience with intelligent link preloading. Slow page loads hurt engagement and conversions. Our smart preloading technology anticipates user actions and loads content before they click, reducing wait times and improving navigation flow. Built for Shopify, it works seamlessly with zero setup or technical skills required.

Key points
  • Upload your own images, animations or videos
  • Animate your Custom Uploaded static images
  • Choose from multiple presets for a quick start
  • Get Full control over animation effects, pages, and more advanced settings
  • Auto optimize image size on the basis of settings without quality downgrade
  • You can edit Alt Text, File Name and convert PNG to JPG to improve image SEO
  • Easily add and customize watermark to protect your brand
  • Increase website speed by preloading pages before clicking by users
Screenshots
Preloadify
PreloadifyPreloadifyPreloadify
Optimization details_Page Speed_Page Speed+SEO Image Optimi
Automatically Optimize_Page Speed+SEO Image OptimizerImage Compression_Page Speed+SEO Image OptimizerOptimization dashboard_Page Speed+SEO Image Optimizer

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.

Showing only the rows where the apps differ.

Adoption

MeasurePreloadifySEOWILL‑ Page Speed Optimizer
Detected stores204as of Nov 11, 20261,703(ahead)as of Nov 11, 2026
Net store change, 28 days−3estimated−31estimated
Stores added, 28 days5new and returning23(ahead)new and returning
Big-brand shareNot enough data9%of stores of known size
Top store categoriesApparel & Accessories, Health & Beauty, Home & GardenApparel & Accessories, Health & Beauty, Home & Garden
Top store countriesUnited States, Australia, IndiaUnited States, India, Germany

Reviews

MeasurePreloadifySEOWILL‑ Page Speed Optimizer
App Store rating5.0 ★(ahead)4.9 ★
App Store reviews19150(ahead)
New reviews, 28 days1(ahead)0
Reviewers a year or more inNot enough data2%

Pricing

MeasurePreloadifySEOWILL‑ Page Speed Optimizer
Free planYesNot listed
Lowest paid monthly plan$5.99/monthNo monthly plan listed
Longest free trial7 daysNot listed
Plans listed2Not published

Listing

MeasurePreloadifySEOWILL‑ Page Speed Optimizer
Shopify category rank#32in Animation and effects#47in SEO
Shopify App Charts#3 in Animation and effects#14 in SEO
Built for ShopifyYesYes
LaunchedJan 21, 2020Jan 9, 2020
Languages8English, Spanish, French6English, French, Spanish
DeveloperPiric GroupCWILL

FAQ

Preloadify and SEOWILL‑ Page Speed Optimizer: common questions

Which is more popular, Preloadify or SEOWILL‑ Page Speed Optimizer?
SEOWILL‑ Page Speed Optimizer is detected on 8.3× as many Shopify stores as Preloadify: 1,703 vs 204 as of Nov 11, 2026.
Is Preloadify or SEOWILL‑ Page Speed Optimizer cheaper?
Only Preloadify 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, Preloadify or SEOWILL‑ Page Speed Optimizer?
On the Shopify App Store: Preloadify 5.0 from 19 reviews and SEOWILL‑ Page Speed Optimizer 4.9 from 150 reviews.
What features does each app list that the other doesn’t?
Preloadify lists 12 the others don’t mention, such as 3D animations, Animation control, Backgrounds, Color. SEOWILL‑ Page Speed Optimizer lists 17 the others don’t mention, such as Alt text, ALT text, Auto-optimization, Compression. 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 11, 2026; estimated figures are labeled.

Keep comparing

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 11, 2026. 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.