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Conversion-Optimized One-Page Checkout for WooCommerce — A custom-built single-page WooCommerce checkout with an AJAX side ca — 1/1イメージプレビュー

A custom-built single-page WooCommerce checkout with an AJAX side cart,

Apple Pay / Google Pay express buttons and a sticky order summary — designed to cut cart abandonment on your store.

Conversion-Optimized One-Page Checkout for WooCommerceとは?

A custom-built single-page WooCommerce checkout with an AJAX side cart, Apple Pay / Google Pay express buttons and a sticky order summary — designed to cut cart abandonment on your store. Built to order by ECOSIRE for WooCommerce (build-to-order) — indicative price from $999.00 USD; request a quote for a scoped proposal.

主な機能

Single-page checkout that merges cart, details, shipping and payment into one screen — with a configurable multi-step (accordion) mode for stores that prefer staged entry
Apple Pay and Google Pay express buttons rendered at the top of the page via the gateway's Payment Request API, so returning shoppers check out in one tap
AJAX side cart (slide-out mini-cart drawer) powered by WooCommerce cart fragments — add, update quantity and remove without a page reload
Sticky order summary panel that stays visible while scrolling, with live subtotal, shipping, tax and discount recalculation through the Store API / update_order_review
Configurable trust badges (secure-payment, money-back, SSL) placed beside the pay button to reduce last-step hesitation
Optional address autocomplete (Google Places or alternative) that fills billing/shipping fields and reduces typos and form abandonment
HPOS / custom-order-tables compatible — orders are written through WooCommerce CRUD, never direct wp_posts queries
Theme-safe implementation via official WooCommerce template overrides and hooks (woocommerce_checkout_fields, woocommerce_review_order_*) — no core or theme file edits
WPML / Polylang and multisite aware — all checkout strings are translatable and the layout respects RTL locales
Coupon and shipping-method selection inline on the same page, with AJAX recalculation and no jump to a separate cart screen
Mobile-first responsive layout tuned for small viewports where default WooCommerce checkout drop-off is highest
Built as a self-contained namespaced plugin with its own settings panel under WooCommerce in wp-admin — toggle express buttons, side cart, badges and step mode without code

受注生産、すべておまかせ

自分での設定は不要 — ECOSIRE が構築・インストール・サポートする実働アプリです。

  1. 1

    ご注文

    一回限りの構築料金から始めます。キックオフで一緒に範囲を決めます。

  2. 2

    構築とインストール

    ECOSIRE がお客様の WooCommerce 上で構築・設定・インストールします。

  3. 3

    本番稼働 + サポート

    約1週間(営業日ベース)で稼働し、本番稼働後2週間のサポートが付きます。納品したコードの不具合は無償で修正します。

この製品について

The default WooCommerce checkout makes shoppers click Cart → Checkout → fill a long form → place order, and every extra step bleeds conversions. Conversion-Optimized One-Page Checkout for WooCommerce collapses that funnel into a single, Shopify-style page where the cart, customer details, shipping, payment and a sticky order summary all live together — no page reloads, no surprises.

This is a build-to-order plugin: ECOSIRE designs, develops, installs and supports it directly on your WordPress site. It is not an instant WordPress.org or WooCommerce.com download. After purchase we collect your store details (theme, active gateways, hosting), build the plugin against your real environment, and deploy it as a proper namespaced plugin in wp-content/plugins/ — no theme hacks, no checkout shortcode spaghetti.

Under the hood we render the checkout by overriding woocommerce_checkout templates and hooking woocommerce_checkout_fields, persist updates through the WooCommerce Store API / AJAX update_order_review so totals and shipping recalculate live, and add an AJAX side cart (mini-cart drawer) driven by woocommerce_add_to_cart fragments. Apple Pay and Google Pay express buttons are wired to your existing gateway (Stripe, or your chosen Payment Request-compatible processor) and placed at the top of the page so returning shoppers can pay in one tap.

We build for HPOS (High-Performance Order Storage / custom order tables), respect your WPML / Polylang strings, and keep everything block-theme and classic-theme compatible. Optional add-ons include address autocomplete (Google Places or an alternative) and configurable trust badges. You get a maintainable, update-safe plugin — and an ECOSIRE engineer on the other end when WooCommerce ships its next breaking release.

得られるもの

  • A custom-built, namespaced WooCommerce plugin installed and activated on your WordPress site (single site or multisite)
  • ECOSIRE-led installation and configuration against your live theme, active payment gateways and hosting environment
  • Express-button wiring to your existing Stripe / Payment Request-compatible gateway, including Apple Pay domain verification guidance
  • A dedicated settings panel under WooCommerce in wp-admin for express buttons, side cart, trust badges, step mode and autocomplete toggles
  • Staging-first deployment and a checkout smoke test (add to cart → side cart → express pay + standard pay) before go-live
  • A short handover document covering plugin settings, update process, and which hooks/filters were used
  • Compatibility validation against your WooCommerce version, HPOS status, and active locale plugins (WPML/Polylang)
  • Post-launch support window with bug fixes and compatibility patches for WooCommerce/WordPress updates

これは誰のためのものですか

High-traffic store owner with high cart abandonment

Runs a WooCommerce store getting real traffic but losing a large share of shoppers between the cart and the thank-you page. Wants the proven Shopify single-page feel and one-tap Apple/Google Pay without rebuilding the store on another platform.

Mobile-first / impulse-purchase brand

Most orders come from phones where the default multi-step WooCommerce checkout is painful to scroll. Needs an AJAX side cart and express wallet buttons so a shopper can go from product to paid in seconds on a small screen.

Agency or store manager who wants it done right, not DIY

Has tried free checkout plugins that break with each WooCommerce or theme update, or fight with HPOS. Prefers a build-to-order plugin that an engineer installs, tests on staging, and supports — instead of stitching together plugins and theme edits.

Conversion-Optimized One-Page Checkout for WooCommerce の比較方法

基準エコシエールカスタムビルド競合他社WooCommerce 標準機能
True single-page checkout (cart + details + payment on one screen)付属付属部分的なサポート含まれていない
Apple Pay / Google Pay express buttons at top of page付属部分的なサポート部分的なサポート部分的なサポート
AJAX side cart (slide-out mini-cart drawer)付属付属部分的なサポート含まれていない
Built, installed and supported on your site (no DIY assembly)付属付属含まれていない含まれていない
HPOS / custom-order-tables compatible by design付属部分的なサポート部分的なサポート付属
Update-safe via official hooks/templates (no theme/core edits)付属部分的なサポート部分的なサポート付属
Instant self-service download from a marketplace含まれていない含まれていない付属付属
Tailored to your exact theme, gateway and locale setup付属付属含まれていない含まれていない
Address autocomplete add-on (Google Places / alternative)付属部分的なサポート部分的なサポート含まれていない

Conversion-Optimized One-Page Checkout に関するよくある質問

Is this an instant download from WordPress.org or WooCommerce.com?

No. This is a build-to-order plugin. ECOSIRE designs, develops, installs and supports it directly on your WordPress site against your real theme, gateways and hosting. You are not buying a generic zip from a marketplace — you are buying a custom-built, supported implementation.

How long does delivery take after I purchase?

Typical turnaround is about 5 to 10 business days from the moment we receive your store access and details (theme, active payment gateways, WooCommerce version, HPOS status, hosting). We build against your live environment, deploy to staging first, run a checkout smoke test, then go live with your sign-off. Complex stores with custom gateways or heavily modified themes may take a little longer — we confirm the exact timeline before starting.

Do you provide ongoing support and updates after launch?

Yes. The build includes a post-launch support window with bug fixes and compatibility patches when WooCommerce or WordPress ship breaking updates. Because the plugin uses official WooCommerce hooks and template overrides (not core or theme edits), it is update-safe by design, and we can extend support or add features on request.

Will Apple Pay and Google Pay actually work on my store?

The express buttons use the Payment Request API exposed by your gateway, so they require a compatible processor such as Stripe. If your active gateway supports Payment Request (Apple Pay / Google Pay), we wire the buttons to it and walk you through Apple Pay domain verification. If your gateway does not support it, we will tell you up front and can recommend a supported option — we will not promise wallet buttons your processor cannot deliver.

Is it compatible with HPOS, my theme, and WPML / multisite?

Yes. Orders are written through WooCommerce CRUD so the plugin is HPOS (custom order tables) compatible, and the checkout is rendered via official WooCommerce templates and hooks rather than theme file edits, so it works with both classic and block themes. All strings are translatable for WPML/Polylang, RTL locales are respected, and we support single-site or multisite installs. We validate compatibility on staging before go-live.

見積もりを依頼

Conversion-Optimized One-Page Checkout

A custom-built single-page WooCommerce checkout with an AJAX side cart, Apple Pay / Google Pay express buttons and a sticky order summary — designed to cut cart abandonment on your store.

  • Single-page checkout that merges cart, details, shipping and payment into one screen — with a configurable multi-step (accordion) mode for stores that prefer staged entry
  • Apple Pay and Google Pay express buttons rendered at the top of the page via the gateway's Payment Request API, so returning shoppers check out in one tap
  • AJAX side cart (slide-out mini-cart drawer) powered by WooCommerce cart fragments — add, update quantity and remove without a page reload
  • Sticky order summary panel that stays visible while scrolling, with live subtotal, shipping, tax and discount recalculation through the Store API / update_order_review

見積もりを依頼

Conversion-Optimized One-Page Checkout のご要望をお知らせください。価格、ライセンスの選択肢、貴社に合わせたご提案を、通常1営業日以内にお送りします。

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