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Optimistic Wishlist & Demand Engine0ms Latency

WS Wishlist

Zero latency. High intent.

0 ms
Storefront Latency
Optimistic local-first queue
Guest & Member
Shopper Support
Seamless login merge
1-Click Embed
Theme Integration
Header, PDP & Collections
Top 10 Trends
Demand Analytics
Rolling 30-day forecast
storefront-integration.liquid
wishlist.toggle(productId);
// Instant DOM update in 0ms
// Background queue syncs to PostgreSQL
Touch & Feel Experience

Zero-Latency Optimistic Wishlist

Click the hearts to see instantaneous state updates in 0 milliseconds while background sync handles persistence silently.

Optimistic UI Sync (0ms Latency)

Instant Wishlist Action Tester

Wishlist Count:2
$65.00
🛍️
Minimal Leather Cardholder
✓ In Wishlist (0ms)
$420.00
🛍️
Chronograph Automatic Watch
Click heart to save
$48.00
🛍️
Merino Wool Knit Beanie
✓ In Wishlist (0ms)
Modular Architecture

High Intent Without Storefront Drag

Sub-divided into independent storage, panel, and button modules with theme-native 5px inset alignment.

Instant Shopper Delight0ms Response

Optimistic Local-First Engine

Eliminates network lag. Clicking the heart updates state in 0 milliseconds and syncs silently through a signed Shopify app proxy.

Optimistic Local-First EngineExplore feature →
Zero FrictionSmart Sync

Guest-to-Customer Merge

Anonymous shopper wishlists automatically attach to their profile once they authenticate at checkout or login.

100%
Cart Conversion
Merchandising IntelligencePredictive

Demand Analytics

Discover which products generate the most buyer interest to optimize inventory purchasing and marketing campaigns.

Top 10
Catalog Insights
Engineered for Clean ThemesModern Architecture

Modular Theme App Bundle

Sub-divided into independent icon, storage, state, panel, and button injection modules for blazing performance.

eval.ts
// Modular storefront architecture
import { bootstrapWishlist } from '@ws-wishlist/storefront';
bootstrapWishlist({ drawer: true, autoHeart: true });
Key Capabilities

Everything you need to capture buyer intent and boost conversions.

Full guest support, customer account merge, and demand forecasting analytics.

Optimistic Zero-Latency Actions

Products appear in the wishlist immediately in 0ms while updates synchronize securely in the background queue.

Local-first browser queue with rollback on failure.

Guest & Logged-In Merging

Shoppers can save items anonymously; when they log into their customer account, wishlists merge automatically.

Encrypted session tokens & signed proxy sync.

Header Drawer & Dedicated Page

Shoppers can review, share, remove, or move items directly to the cart from an elegant sliding drawer or page.

Accessible modal drawer with keyboard navigation.

Top Product Demand Analytics

Track which products customers wish for most and forecast high-intent revenue before checkout.

Rolling 30-day dashboard reporting.

Custom Styling & CSS Engine

Full control over heart icons, colors, badge counters, animations, and custom merchant CSS validation.

Server-validated 12,000 character CSS parser.

Theme-Friendly Installation

Shopify Online Store 2.0 app embeds, theme blocks, automatic header link placement, or custom Liquid snippets.

Guaranteed 5px inset on collection cards and sliders.
Architecture & Standards

Technical Specifications

Theme Compatibility
Online Store 2.0 App Embed
Persistence
PostgreSQL with Prisma Client
Storefront Proxy
Cryptographically Signed Shopify App Proxy
Admin Stack
Next.js 16 + Shopify Polaris + App Bridge
Deployment
Multi-stage non-root Docker container
Transparent Pricing

Scalable plans for growing storefronts.

Start free forever or upgrade for top-product analytics and custom CSS validation.

Free Forever

Full wishlist functionality for growing Shopify stores.

Free/forever
Included capabilities:
Storefront heart buttons on PDP & Collections
Wishlist drawer & dedicated wishlist page
Header wishlist icon & real-time counter
Guest & customer account support
Up to 500 saved wishlist items
Best Value

Growth Pro

Unlimited wishlist items, demand analytics, and priority theme support.

$4.99/per month
Included capabilities:
Unlimited saved wishlist items
Top-product demand analytics & dashboard
Automatic guest-to-customer account merge
Custom CSS styling controls & theme placement
Direct add-to-cart from wishlist drawer
Priority engineering support
Zero Risk Installation

Ready to turn buyer interest into high-converting revenue?

Install WS Wishlist today and give your shoppers an instantaneous wishlist experience.