Leads11 Agency
検索上位へ。高CVR設計。

確かなトラフィックと成果を生み出すフルスタックデジタルエージェンシー

Web開発、UI/UXデザイン、テクニカルSEO、クラウド基盤構築をワンストップで手掛けます。

今四半期の創設枠は残り2枠

導入事例掲載を条件とした特別割引ビルドを2枠提供。長期契約の縛りはありません。

本番環境ステータス
99.99% UPTIME
Next.js 16 App Router
Server-Side Hydration
< 1.5s LCP
98 PageSpeed Score
コンバージョン最適化
高ROIファネル
+340% Leads
4.2x Conversion Lift
AEO & Cloud Scalability
AWS + Vercel Edge Hosting
Sub-100ms INP
JSON-LD Validated
ホバーして3D視点を体験Leads11 Core

Built for & trusted by

Leads11 AppClient Workspace
Creator HubCreator Platform
TransmeetGrowth Engine
Clarify AIAI Web Application
NarayaniEnterprise Platform
High-Performance Engineering

ビジネスの成長を支援する開発サービス

高パフォーマンスなエンジニアリング、SEO最適化、クラウドインフラを構築します。

Book Engineering Audit
DevelopmentANCHOR CORE SERVICE
Click to view specs →
98
Avg Lighthouse Performance Verified Benchmark

Sub-1.5s LCP & sub-100ms INP across live production builds

Web & Product Development

Fast, scalable builds in Next.js and modern frameworks.

Next.js 16React 19TypeScriptSupabase
Full Stack Next.js 16 ArchitectureExplore Dev Specs
Design
Click to view specs →
4.2xConversion Lift

UI/UX Design

Interfaces people trust enough to convert.

Figma ArchitectureCRO DesignDesign SystemsMicro-FX
Conversion Design SystemExplore UX Specs
SEO
Click to view specs →
< 100msINP & Core Vitals

SEO & Performance

Technical SEO and Core Web Vitals, built in from day one.

AEO / GEO EngineStructured JSON-LDPageSpeed 100Vercel Edge
Technical SEO & AEO ProtocolExplore SEO Specs
Cloud
Click to view specs →
99.99%Guaranteed Uptime SLA

Cloud Architecture

Infrastructure that scales without breaking, or the bill exploding.

AWS CloudSupabase PostgresDockerEdge CDN
AWS & Vercel Cloud SetupExplore Cloud Specs
Growth
Click to view specs →
3.4xPipeline Growth

Growth & Conversion

Analytics and CRO that turn traffic into pipeline.

Analytics TelemetryRealtime FunnelsA/B TestingCRO
CRO & Analytics TelemetryExplore Growth Specs
真の課題

なぜ多くのWebサイトは顧客獲得に失敗するのか

単にサイトを作るだけなら簡単です。高CVRかつ検索上位にランクインするプロダクト構築には高度な技術が必要です。

Your site is slow, and Google is quietly punishing you for it.

The design looks fine. Almost nobody converts.

Every new developer breaks something the last one built.

Marketing spends on ads to a page that leaks leads.

Nobody owns performance, SEO, and design at the same time.

Hosting bills climb. Nobody can explain why.

統合型パートナー

デザイン・開発・SEO・クラウドを一元管理

複数の外注先を管理する手間を削減。Leads11がデジタル開発の全工程を一括で担います。

Leads11なし
  • サイト制作はフリーランサー
  • 広告は別のエージェンシー
  • SEOはまた別の担当者
  • 誰も成果に責任を持たない
Leads11あり
  • 開発・デザイン・SEO・クラウドを一チームで対応
  • 一つのダッシュボードで管理
  • 窓口はひとつ
  • 成果に責任を持つ一つのチーム
Leads11の強み

高速レスポンス・権威性・高ROIを追求した設計

最新のNext.jsエンジニアリングと実績あるグロース戦略を融合させています。

Engineers Who Ship

Production-grade code, not proof-of-concepts.

Designers Who Convert

Every screen built to move someone to act.

SEO Baked In

Not bolted on after launch as an afterthought.

Cloud-Native From Day One

Built to scale before you need it to.

Radical Transparency

Live dashboards, plain-language reporting.

No Long Lock-In

Month-to-month. We earn the renewal.

開発ステップ

5段階のアジャイル開発・ローンチ設計

最初のヒアリングから超高速デプロイ、継続的な最適化までサポート。

01

Discovery Call

Your goals, your stack, your numbers. 30 minutes.

02

Audit & Strategy

We map the fastest path to results.

03

Design & Build

Interfaces and infrastructure, built together, not handed off.

04

Launch & Optimize

Ship fast, then improve with real data.

05

Report & Review

Ongoing Growth & Support

A monthly call. Always know where you stand.

Packages & Scope

Transparent Engagement Models

Predictable deliverables and direct access to senior full-stack software engineers.

3–4 Weeks Delivery

Starter MVP Build

High-speed web app or MVP engineered to validate, rank, and convert.

Best for: Founders launching a new product or replacing a legacy site
What's Included
Custom Next.js 16 + React 19 architecture
Sub-1.5s LCP performance & mobile-first UI
Supabase Postgres database & authentication
Technical SEO metadata & JSON-LD structured schemas
1 month of post-launch warranty & telemetry reviews
Book Strategy Call
6–8 Weeks Sprint Founding Tier · Offer Applies

Growth Platform Partner

End-to-end web application engineering, custom UI/UX, and technical AEO/SEO growth engine.

Best for: Established businesses & funded startups scaling pipeline
2 Founding Slots Remaining This Quarter

2 Founding Slots Remaining this quarter. Discounted build in exchange for a featured case study. Standard pricing applies once slots close.

What's Included
Full-stack web application or custom SaaS platform
Custom Figma design system & conversion-rate optimization (CRO)
Advanced AEO/GEO indexing (Google, Perplexity & ChatGPT schemas)
Serverless AWS/Vercel cloud setup with 99.99% uptime SLA
Real-time pipeline analytics & automated CRM webhooks
Direct founder-level Slack/WhatsApp communication
Claim a Founding Slot
Ongoing Monthly Sprints

Full-Stack Retainer

Dedicated engineering capacity, continuous CRO, and ongoing infrastructure scaling.

Best for: Growing teams requiring an embedded full-stack technical partner
What's Included
Dedicated monthly engineering & UI/UX sprint capacity
Continuous Core Web Vitals & technical SEO monitoring
New feature shipping, database tuning & API integrations
24/7 infrastructure SLA & proactive security patching
Month-to-month flexibility — no long-term lock-in
Book Strategy Call
開発実績

構築したカスタムプロダクトとグロース実績

実際のクライアントWebアプリと高CVR SaaSプラットフォームをご覧ください。

Client Workspace AppAgency Tech

Leads11 Workspace

A comprehensive digital workspace and portal built for Leads11 Agency clients.

Key Project Outcome Verified
100% Centralized Workflows

Sub-1.5s LCP client portal with real-time chat & pipeline tracking.

View Case Study Breakdown
Creator HubCreator Economy

Creator Hub

An AI-powered interview platform designed to screen and onboard independent creators.

Key Project Outcome Verified
3x Faster Talent Onboarding

Autonomous AI pre-screening terminal with automated profile scoring.

View Case Study Breakdown
Growth EngineDigital Services

Transmeet

Comprehensive marketing and growth strategy case study.

Key Project Outcome Verified
+340% Inbound Qualified Leads

Full marketing engine & web app rebuild achieving a 98 Lighthouse score.

View Case Study Breakdown
AI Web ApplicationArtificial Intelligence

Clarify AI

Detailed product architecture and UI design showcase for AI operations.

Key Project Outcome Verified
4.2x Measured Conversion Lift

Shipped on Next.js 16 ahead of schedule with sub-18ms edge latency.

View Case Study Breakdown
Custom DashboardEnterprise Tech

Narayani

A deep dive into the platform's custom dashboard and operations.

Key Project Outcome Verified
Zero-Downtime Migration

Unified enterprise operational dashboard consolidating multi-source telemetry.

View Case Study Breakdown
対応業界

成長産業向けに最適化されたカスタムエンジニアリング

業界ごとの専門的な要件に合わせたソフトウェアソリューションを提供。

SaaS & Technology
E-Commerce
Real Estate
Healthcare
Local Services
FinTech & Professional
定量的成果

測定可能なインパクトと確かなROI

パフォーマンスエンジニアリングを通じてデータ駆動型の成果を提供します。

Verified
Measured via Google PageSpeed Insights & Chrome DevTools on production builds.
98
Lighthouse Performance Score
Measured via Google PageSpeed Insights & Chrome DevTools on production builds.
Verified
Sub-1.5s Largest Contentful Paint for instant visitor retention and conversion.
< 1.5s
Target LCP Load Time
Sub-1.5s Largest Contentful Paint for instant visitor retention and conversion.
Verified
Measured via Search Console and analytics telemetry post technical SEO & AEO deployment.
+340%
Average Inbound Leads Lift
Measured via Search Console and analytics telemetry post technical SEO & AEO deployment.
Verified
Continuous multi-region monitoring across AWS & Vercel edge hosting.
99.99%
Infrastructure Uptime SLA
Continuous multi-region monitoring across AWS & Vercel edge hosting.
Audit Verification Standard

Production benchmarks measured across live deployments: 98 PageSpeed audit score, <1.5s LCP load target, +340% lead generation lift, and 99.99% multi-region cloud uptime SLA.

Production Platforms

What We've Built

Live production software platforms engineered and operated by Leads11 — real production code, zero templates.

Creator Onboarding SystemLive Production

Leads11 Creator Hub

Our automated creator onboarding system — handles profile verification, application streaming, and direct creator messaging.

Automated applicant screeningReal-time chat telemetryNext.js 16 + Supabase
View the build breakdownOpen live app
Client & Lead WorkspaceLive Production

Leads11 Client Workspace

Our client workspace portal — centralized dashboard for leads, live chat telemetry, and strategy call scheduling.

Centralized pipeline trackingLive chat session telemetrySub-1.5s LCP architecture
View the build breakdownOpen live app
Founding Cohort Invitation

You'd be among our first 2 documented case studies

We believe in 100% authentic, verifiable client feedback. In exchange for a featured case study, founding clients receive direct founder access and discounted engineering builds.

Explore Current Case StudiesClaim a Founding Slot
Direct Answers & Clarity

FAQ（よくあるご質問）

Leads11とのプロジェクト進行に関する不明点を解決します。

No — we design, engineer, and scale the actual application using Next.js 16, React 19, Supabase, and cloud architecture. Growth and SEO sit on top of a rock-solid codebase, not instead of it.

Guaranteed IST Engineering Support
Instant AI Help

Still Have Questions?

Our Leads11 AI Assistant is online right now to calculate project estimates and answer custom architecture questions.

Book Strategy Call
2 Founding Slots Remaining This Quarter

成果を出すプロダクトを一緒に構築しましょう

Full-stack engineering, custom UI/UX design, and technical SEO under one team. Built to rank. Designed to convert.

Claim a Founding SlotBook Strategy Call
2 discounted builds available in exchange for a case-study feature. No long-term lock-in.
Guaranteed direct response within 24 business hours.