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Corporate • Portal • Landing Page • CMS • Microsite

Website Development

SOPHIA builds websites that perform — from lean corporate brochure sites and high-converting landing pages through to large-scale government portals, membership platforms, and CMS-driven editorial sites. Every project is engineered for speed, accessibility, and long-term maintainability with zero monthly fees attached.

18,400+
Websites Delivered
19yr
Since 2007
6σ
Quality Standard
0₩
Monthly Maintenance Fee
What We Build

Website Types & Specialisations

SOPHIA has delivered every category of website across 19 years of continuous operation — matching the right architecture, CMS, and technology stack to the project's business requirements and audience.

Corporate & Brand Website
Premium brand presence for enterprises, conglomerates, and professional service firms. Multi-language, multi-region, with investor relations and CSR sections as standard.
Multi-languageIR SectionBrand Design
Landing Page & Campaign Site
Conversion-focused landing pages for product launches, advertising campaigns, pre-launch registration, and performance marketing. A/B test friendly architecture with event tracking built in.
CRO OptimisedA/B ReadyGA4 / GTM
Government & Public Sector Portal
Large-scale government portals and public institution websites compliant with Korean e-Government standards (전자정부 표준 프레임워크), WCAG 2.1 AA, and WebNari accessibility certification.
e-Government StandardWCAG 2.1 AAWebNari
News & Editorial Platform
High-volume news portals, media brands, and content-heavy editorial sites with custom CMS, tag taxonomy, author management, subscription paywall, and push notification systems.
Custom CMSPaywallPush Notification
Event & Exhibition Microsite
Time-boxed event microsites for conferences, exhibitions, and festivals — online registration, session scheduling, speaker profiles, live-stream embed, and post-event archive management.
Registration SystemLive StreamSession Schedule
Membership & Community Platform
Subscription-based membership sites, alumni portals, professional association platforms, and gated community websites with role-based access, member directory, and dues payment integration.
Role-Based AccessMember DirectoryDues Payment
Medical & Healthcare Website
Hospital, clinic, and healthcare brand websites with online appointment booking, physician directory, department navigation, and integration with EMR systems and insurance claim portals.
Appointment BookingEMR IntegrationInsurance Portal
Education & EdTech Platform
University admissions portals, private school sites, online learning platforms (LMS), and tutoring service websites with course catalogue, progress tracking, and parent communication dashboards.
LMS IntegrationCourse CatalogueProgress Tracking
Hotel, F&B & Hospitality
Hotel group websites with booking engine integration (Booking.com, Agoda API), restaurant reservation systems, menu management, and multi-property brand architecture for hospitality groups.
Booking EngineReservation SystemMulti-Property
Deep Dive — Development

Architecture & Technical Approach

Custom Development
Bespoke Website Development
For projects that require performance, security, and differentiation that no template can deliver. SOPHIA's custom-built sites are engineered from the ground up — every component purpose-built to the client's specification, with no bloated plugin dependencies to maintain.
Custom Development Scope
  • Pixel-precise implementation from Figma design files
  • Semantic HTML5 structure for SEO & accessibility
  • CSS custom property system with design token architecture
  • Scroll-triggered animation (IntersectionObserver / GSAP)
  • Full responsive: desktop → tablet → mobile (all breakpoints)
  • Cross-browser: Chrome, Firefox, Safari, Edge, Samsung Internet
  • Web Performance: Core Web Vitals green across all metrics
  • Structured data (JSON-LD) for rich search result eligibility
CMS Platforms
CMS-Powered Website Development
For clients who need to manage content themselves after launch. SOPHIA implements CMS solutions that editorial and marketing teams can operate without developer involvement — from WordPress and Headless CMS configurations to fully bespoke admin panel builds.
CMS Capabilities
  • WordPress: custom theme (child theme), ACF Pro, Elementor (if required)
  • Headless CMS: Strapi / Contentful / Sanity + Next.js frontend
  • Bespoke admin panel built in-house (Laravel / PHP / React)
  • Multi-user editorial workflow: draft → review → publish
  • Scheduled post publication and content expiry
  • Media library with image optimisation on upload
  • WYSIWYG editor with custom block components
  • Version history and content rollback
Korea-Specialised
Korean-Market Web Development
Building for Korean audiences requires more than translation. SOPHIA's Korea-specialised development covers the unique technical and cultural requirements of the Korean web ecosystem — from ISMS-P compliant personal data handling to KakaoTalk sharing, Naver SEO optimisation, and the precise typographic standards that Korean users expect.
Korea-Specific Capabilities
  • ISMS-P / 개인정보보호법 compliant data handling architecture
  • KakaoTalk / KakaoMap SDK integration (share, map, login)
  • Naver Blog / Naver Map / Naver Clova integration
  • Naver SEO optimisation (meta tags, sitemap, Naver Webmaster)
  • Korean payment gateway: KG Inicis, NHN KCP, Toss Payments
  • Hangul typography: Noto Sans KR, Spoqa Han Sans, Pretendard
  • Korean accessibility standard (KWCAG 2.1) compliance
  • e-Government Standard Framework (전자정부 표준) architecture
SEO & Performance
SEO & Web Performance
A website that ranks and loads. SOPHIA's development process has SEO and performance baked in from the first line of markup — not bolted on as an afterthought. Core Web Vitals green status is a delivery requirement, not a bonus.
SEO & Performance Scope
  • Technical SEO: canonical, hreflang, sitemap.xml, robots.txt
  • Structured data: Organization, BreadcrumbList, FAQ, Article
  • Open Graph + Twitter Card meta for social sharing
  • Image optimisation: WebP / AVIF, lazy load, responsive srcset
  • Core Web Vitals: LCP <2.5s, CLS <0.1, INP <200ms
  • Critical CSS inlining, JS defer/async, font subsetting
  • CDN deployment (CloudFront / Cloudflare) with edge caching
  • Google Analytics 4 + Google Tag Manager configuration
Performance Standards

Core Web Vitals & Delivery Benchmarks

SOPHIA's websites are measured against Google's Core Web Vitals on the day of delivery. These are contractual delivery standards, not aspirational targets.

<2.5s
LCP Target
Largest Contentful Paint — how fast the main content loads for the user
<0.1
CLS Score
Cumulative Layout Shift — no unexpected layout jumps during page load
<200ms
INP Target
Interaction to Next Paint — response speed to user input events
90+
PageSpeed Score
Google PageSpeed Insights mobile score at delivery (target: 90+)
Backend
PHP 8 / Laravel, Python / FastAPI, Node.js / Express, Java Spring Boot
Frontend Framework
Next.js (React), Nuxt.js (Vue 3), SvelteKit, Vanilla JS + HTML5
Database
MySQL 8, PostgreSQL, MariaDB, Redis (session / cache), Elasticsearch
Infrastructure
AWS (EC2, RDS, S3, CloudFront), Cafe24, NHN Cloud, nginx, Docker
CMS
WordPress (custom theme), Strapi, Contentful, Sanity, Custom PHP Admin
Security
SSL/TLS, CSP headers, WAF, OWASP Top 10, ISMS-P compliance layer
Analytics
Google Analytics 4, Google Tag Manager, Naver Analytics, Hotjar
Korean Ecosystem
Kakao SDK, Naver Map / Login, KG Inicis, Toss Payments, Naver SEO
How It Works

The SOPHIA Delivery Process

A structured, milestone-driven process that gives clients full visibility at every stage — from the initial brief through to post-launch sign-off and handover of all project assets.

Requirements & Scope
Detailed brief, audience definition, feature scope, sitemap structure, and project timeline with milestones agreed and signed.
UI/UX Design
Wireframes → high-fidelity Figma mockups for all key pages and breakpoints. Client review and approval before a line of code is written.
Development
Frontend and backend development in parallel. Weekly progress updates. Dev server available for client review throughout the build phase.
QA & Testing
Cross-browser, cross-device testing. Performance audit (Core Web Vitals). Accessibility review. Security scan. Six Sigma quality gate.
Launch & Go-Live
DNS migration, SSL activation, CDN configuration, and go-live with a monitoring period. Post-launch performance report delivered.
Handover & Support
Full source code and asset handover. CMS training session. Post-launch support period. Optional ongoing maintenance retainer.
SOPHIA Guarantee

What Every SOPHIA Website Includes

Regardless of project scale, every website built by SOPHIA includes the following as standard — not as paid add-ons.

Full Responsive Design
Desktop, tablet, and mobile optimised layouts tested across all major breakpoints. No responsive as an afterthought — mobile is designed from the first wireframe.
SSL & Security Hardening
HTTPS/TLS configuration, security response headers (CSP, HSTS, X-Frame-Options), input validation, SQL injection prevention, and OWASP Top 10 review as part of QA.
SEO Foundation
Semantic markup, meta tag structure, sitemap.xml, robots.txt, structured data (JSON-LD), and Google Search Console registration before handover.
Core Web Vitals Green
PageSpeed Insights 90+ score (mobile) guaranteed at delivery. Verified against real-device testing and Google's CrUX field data where available.
Full Source Code Handover
Complete source code, database export, asset files, and deployment documentation handed over at project close. You own everything — no vendor lock-in.
NDA & IP Protection
NDA signed before project kickoff. All intellectual property created during the engagement belongs exclusively to the client upon final payment.
SOPHIA charges a one-time project fee with no recurring monthly maintenance charge. Optional post-launch support retainers are available for clients who require ongoing content updates, security monitoring, or feature additions — but they are never a condition of delivery.
Related Services

Often Combined with Website Development

UI/UX Design
  • Full UI/UX design engagement before development starts
  • User research and persona definition
  • Wireframe through high-fidelity Figma handoff
  • Design system & component library
  • Usability testing and design iteration
UI/UX Design Page
E-Commerce Integration
  • Product catalogue and inventory management
  • Shopping cart and checkout flow
  • Korean and global payment gateway integration
  • Order management and fulfilment integration
  • Cafe24 / Shopify Plus integration where applicable
E-Commerce Page
AI Integration
  • AI chatbot embedded in website (GPT / Claude / Gemini)
  • AI-powered site search with semantic understanding
  • Content personalisation engine
  • AI customer inquiry auto-response and routing
  • RAG-based knowledge base for product / service Q&A
AI / LLM Page
PHP / LaravelNext.jsVue / NuxtWordPressStrapiMySQLPostgreSQLAWSCloudflareFigmaGSAPWCAG 2.1 AA

Let's Build Your Website

From a sharp corporate site to a large-scale government portal — SOPHIA delivers websites that perform, rank, and last. One-time fee, full source code handover, zero monthly charges.

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