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WordPress Migrations
Membership MigrationStripe TransferZero Downtime

WordPress メンバーシップサイトを Next.js に移行

プラグインスタックを手放す。すべてのメンバーを保持する。

0%
Subscriber Churn
During migration
15+
Plugins Replaced
With native code
2-4
Weeks to Launch
Full migration
97+
Lighthouse Score
Post-migration
What Is a WordPress Membership Migration?

A WordPress membership migration takes your gated content, member accounts, recurring Stripe subscriptions, and access rules out of plugin-dependent WordPress — MemberPress, Paid Memberships Pro, Restrict Content Pro, WooCommerce Memberships, s2Member — and moves them into a headless Next.js frontend backed by Supabase for auth and row-level security, with Stripe Billing handling subscriptions natively. What you're left with is a faster, more secure membership site that isn't held together by plugins.

プロジェクトが失敗する理由

MemberPress stacked on top of WooCommerce and a page builder will routinely push gated page loads to 3-5 seconds Members cancel. They're paying for content that loads slower than a free YouTube video, and they notice.
Plugin updates break access rules Members suddenly see content they shouldn't, or get locked out of content they've already paid for. That turns into refund requests and support tickets — both of which eat directly into your margin.
Stripe webhook conflicts between your membership plugin and WooCommerce cause failed renewals Subscriptions lapse quietly, retry logic never fires, and you only catch it when MRR drops and you start digging.
WordPress content gating runs on PHP-level checks Those are trivially bypassed. Your premium content gets scraped, shared around, or pulled up by logged-out users through cached pages — and you'd never know.
Member dashboards are slow, look dated, and can't really be customized without a PHP developer Members notice. They compare it to cleaner self-service portals from your competitors and start making decisions.
Running 15+ plugins to handle memberships, payments, emails, redirects, caching, and security creates a stack that's genuinely hard to maintain One abandoned plugin or unpatched vulnerability and the whole business is exposed.

コンプライアンス

Stripe Subscription Transfer

We migrate active subscriptions directly inside Stripe — no re-billing, no card re-entry. Members keep paying on their existing schedule. Nothing interrupts.

Supabase Row-Level Security

Content gating is enforced at the database level, not the application layer. Even if someone manipulates client-side code, they can't reach protected content. It never gets returned unless the user is authorized.

Member Data Export & Mapping

We do a full extraction from MemberPress, PMPro, RCP, WooCommerce Memberships, or s2Member. Custom fields, membership tiers, access history — all of it comes over.

301 Redirect Mapping

Every member-facing URL gets a verified 301 redirect. Login pages, account pages, gated content — nothing returns a 404 after you go live.

Sub-Second Page Loads

Public pages use static generation. Gated content uses server-side rendering. Vercel's edge network then serves your site from 70+ locations worldwide.

Analytics & MRR Dashboard

Real-time membership metrics get built directly into your admin panel. Signups, churn, MRR, content engagement — no third-party analytics plugins bolted on.

構築する内容

Native Stripe Billing Integration

The customer portal, proration, dunning, coupon codes, and trial periods all run through Stripe APIs directly. No middleware plugins sitting between you and your billing data.

Supabase Auth with Magic Links & OAuth

Members log in via email magic link, Google, or GitHub. No passwords to forget, no wp-login.php sitting there waiting to get brute-forced.

Tiered Content Gating

Database-level access rules support unlimited membership tiers with granular per-post, per-section, and drip content controls. Tier complexity doesn't require a new plugin.

Custom Member Dashboard

Members get a React-based portal where they can manage subscriptions, check billing history, update payment methods, and access content — all branded to your site.

Webhook-Driven Event System

Stripe webhooks trigger Supabase functions for real-time access provisioning, welcome emails, and churn prevention workflows.

Content Drip Scheduling

Content release scheduling runs on membership start date, tier, or custom logic — stored in PostgreSQL, not plugin meta tables that break when you update something.

私たちのプロセス

01

Membership Audit & Data Mapping

We export your full member database, map custom fields, catalog every gated URL, and document your Stripe subscription structures. You review and sign off on the migration spec before we touch a single thing.
Week 1
02

Supabase Schema & Auth Setup

We build the PostgreSQL schema with RLS policies, configure Supabase Auth, and wire up Stripe Billing. Membership tiers and access rules get tested against your actual data.
Week 1-2
03

Frontend Build & Member Dashboard

We build Next.js pages for all content, a custom member dashboard, login and signup flows, and Stripe Customer Portal integration. Every gated page gets verified against tier rules before we move on.
Week 2-3
04

Data Migration & Stripe Transfer

Members are imported into Supabase with their existing Stripe customer IDs already linked. Active subscriptions keep running. 301 redirects get deployed and crawl-tested.
Week 3
05

Zero-Downtime Cutover & Monitoring

DNS swaps during your lowest-traffic window. We monitor auth flows, webhook delivery, and subscription renewals in real time for 72 hours after launch. You also get 30 days of post-launch support included.
Week 3-4
Next.js 15SupabaseStripe BillingVercelPostgreSQLSupabase RLSSupabase AuthTailwind CSS

よくある質問

メンバーは再度クレジットカード情報を入力する必要がありますか?

いいえ。Stripe の顧客オブジェクトと購読オブジェクトを直接転送します。支払い方法、請求サイクル、購読ステータスがすべてそのまま引き継がれます。メンバーは何も起こらなかったことに気づきません。PayPal をまだ使用している場合は、ワンタイム カード キャプチャ フローを通じてメンバーを Stripe Billing に移動できます。

WordPress プラグインなしでコンテンツ ゲーティングを処理するにはどうしますか?

Supabase Row-Level Security はデータベース クエリ レベルでアクセスを強制します。メンバーがゲート化されたコンテンツをリクエストすると、PostgreSQL は認可をパスするまで何も返しません。PHP レベルのチェックとは根本的に異なります。認可が成功しない限り、コンテンツはクライアントに到達しません。

移行中に SEO ランキングはどうなりますか?

インデックスされたすべての URL をマップし、DNS カットオーバー前に確認済みの 301 リダイレクトをデプロイし、起動後に Google Search Console でクロール エラーを監視します。ほとんどのサイトは 4~6 週間以内にランキングが向上します。読み込み速度の向上は検索パフォーマンスに直接的な影響を与えます。特にメンバーシップ コンテンツの場合です。

MemberPress からドリップ コンテンツ スケジュールを移行できますか?

はい。WordPress データベースからドリップ ルールとメンバー登録日を取得し、Supabase で PostgreSQL 関数として再構築します。タイミングがまったく引き継がれます。45 日前に参加したメンバーは、新しいサイトでも 45 日目のコンテンツを表示します。リセットも混乱もありません。

5,000 名以上のメンバーを持つサイトの移行にはどのくらいの時間がかかりますか?

通常 3~4 週間です。メンバー数だけではそれほど複雑性は増しません。データインポート スクリプトは数分で数千のレコードを処理できます。実際にタイムラインを延長するのは、メンバーシップ層の数、カスタム フィールドの複雑さ、および再構築が必要なゲート化されたコンテンツの量です。1 週目にすべてを正確にスコープします。

カットオーバー中にダウンタイムはありますか?

ダウンタイム ゼロ。ステージング ドメイン上で新しいサイトを並行実行し、最終データ同期を実行し、DNS をカットします。伝播ウィンドウ全体を通じて両方のサイトがアクティブに保たれます。Stripe ウェブフックはカットオーバー前に新しいエンドポイントに指定されるため、購読イベントは削除されません。

Membership Migration from $8,000
Fixed-fee. Includes Stripe transfer, data migration, and 30-day post-launch support.
See all packages →
WordPress to Next.js MigrationNext.js DevelopmentCore Web Vitals OptimizationCore Web Vitals Complete Guide 2026

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