--- title: "Preloadify ‑ Preloader Effects vs SEOWILL‑ Page Speed Optimizer: Shopify app comparison" description: "Compare Preloadify ‑ Preloader Effects and SEOWILL‑ Page Speed Optimizer on detected Shopify stores, App Store reviews, pricing, listed features and integrations." canonical_url: "https://shoplist.co/shopify-apps/compare/preloadify-turn-wait-to-wow-vs-seo-image-optimizer" markdown_url: "https://shoplist.co/shopify-apps/compare/preloadify-turn-wait-to-wow-vs-seo-image-optimizer.md" data_as_of: "Nov 11, 2026" --- # Preloadify ‑ Preloader Effects vs SEOWILL‑ Page Speed Optimizer Shopify app comparison from Shoplist. Store counts as of Nov 11, 2026. ## At a glance - 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. ## Adoption | Measure | Preloadify | SEOWILL‑ Page Speed Optimizer | Ahead | | --- | --- | --- | --- | | Detected stores | 204 — as of Nov 11, 2026 | 1,703 — as of Nov 11, 2026 | SEOWILL‑ Page Speed Optimizer | | Net store change, 28 days | −3 — estimated | −31 — estimated | | | Stores added, 28 days | 5 — new and returning | 23 — new and returning | SEOWILL‑ Page Speed Optimizer | | Big-brand share | Not enough data | 9% — of stores of known size | | | Top store categories | Apparel & Accessories, Health & Beauty, Home & Garden | Apparel & Accessories, Health & Beauty, Home & Garden | | | Top store countries | United States, Australia, India | United States, India, Germany | | ## Reviews | Measure | Preloadify | SEOWILL‑ Page Speed Optimizer | Ahead | | --- | --- | --- | --- | | App Store rating | 5.0 ★ | 4.9 ★ | Preloadify | | App Store reviews | 19 | 150 | SEOWILL‑ Page Speed Optimizer | | New reviews, 28 days | 1 | 0 | Preloadify | | Reviewers a year or more in | Not enough data | 2% | | ## Pricing | Measure | Preloadify | SEOWILL‑ Page Speed Optimizer | Ahead | | --- | --- | --- | --- | | Free plan | Yes | Not listed | | | Lowest paid monthly plan | $5.99/month | No monthly plan listed | | | Longest free trial | 7 days | Not listed | | | Plans listed | 2 | Not published | | ## Listing | Measure | Preloadify | SEOWILL‑ Page Speed Optimizer | Ahead | | --- | --- | --- | --- | | Shopify category rank | \#32 — in Animation and effects | \#47 — in SEO | | | Shopify App Charts | \#3 in Animation and effects | \#14 in SEO | | | Built for Shopify | Yes | Yes | | | Launched | Jan 21, 2020 | Jan 9, 2020 | | | Languages | 8 — English, Spanish, French | 6 — English, French, Spanish | | | Developer | Piric Group | CWILL | | ## Listed features - 32 distinct features are listed across these App Store listings; 1 are listed by both. - Preloadify lists 13 of them (41%). Listed only by Preloadify: 3D animations, Animation control, Backgrounds, Color, Custom animations, File upload, Icons, Images, Insights and tips, Mobile responsive, Page-specific effects, Preloading. - SEOWILL‑ Page Speed Optimizer lists 20 of them (63%). Listed only by SEOWILL‑ Page Speed Optimizer: Alt text, ALT text, Auto-optimization, Compression, Download, File names, File naming, File upload, Format conversion, Image backup, Image compression, Image optimization, Quality control, SEO, Speed analysis, Testing, Watermarks. ### Coverage by App Store category | Category | Preloadify | SEOWILL‑ Page Speed Optimizer | | --- | --- | --- | | Animation and effects | 10/10 | 0/10 | | Animation and effects › Customization | 10/10 | 0/10 | | Image editor | 0/12 | 12/12 | | Image editor › Bulk editing | 0/6 | 6/6 | | Image editor › Image optimization | 0/6 | 6/6 | | SEO | 3/10 | 8/10 | | SEO › Monitoring performance | 2/4 | 3/4 | | SEO › SEO tools | 1/6 | 5/6 | A feature missing from a listing may still be supported; this compares what each App Store listing says. ## Integrations - No platform appears in every listing. - Only Preloadify lists: Landing Page Builder, Review Widgets, Email Pop Ups, Translation Apps, Currency Converters, All Themes. - SEOWILL‑ Page Speed Optimizer lists no integrations. ## Pricing plans ### Preloadify | Plan | Price | Free trial | Additional charges | | --- | --- | --- | --- | | Free Plan | Free | Not listed | None listed | | Plus Plan | $5.99/month | 7-day free trial | None listed | ### SEOWILL‑ Page Speed Optimizer Free ## Frequently asked 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. ## Links - [Preloadify ‑ Preloader Effects vs SEOWILL‑ Page Speed Optimizer on Shoplist](https://shoplist.co/shopify-apps/compare/preloadify-turn-wait-to-wow-vs-seo-image-optimizer) - [Preloadify ‑ Preloader Effects on Shoplist](https://shoplist.co/shopify-apps/preloadify-turn-wait-to-wow) ([Markdown](https://shoplist.co/shopify-apps/preloadify-turn-wait-to-wow.md)) - [SEOWILL‑ Page Speed Optimizer on Shoplist](https://shoplist.co/shopify-apps/seo-image-optimizer) ([Markdown](https://shoplist.co/shopify-apps/seo-image-optimizer.md)) ## Methodology 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 for Preloadify and SEOWILL‑ Page Speed Optimizer are as of Nov 11, 2026. “Not detectable from storefronts” means an app leaves no storefront trace, so Shoplist can’t count its stores. A row names who is ahead only when every app has a measured, unestimated figure. See [data methodology](https://shoplist.co/data-methodology.md).