About Us • Addison Wan Hong Kong Web Design Company

  • About Addison Wan Design Co.

Addison Wan Design Co. is Web Design Company located in Hong Kong

We are committed to provide clients with the world’s best web design and industry leading full-stack web programming technology

Addison Wan Design Co., found by local senior Hong Kong Designers with more than 21 years of Hong Kong Web Design and Hong Kong Commercial Design experience » Addison Wan and Jeremy Wan in 2013.

We are specializing and focusing on the power of visual image transmission, Internet digital media and interactive web animation and web design communications. The scope of our main design and web design professional services range from Web Design & Website Development, Brand Identity, Graphic Design & Printed Materials and Commercial Photography.

Hello! Nice to meet you! Happy to see you! Are you looking for Design and Web Design services? Below is an introduction to our design and website services. We use a secure, stable and optimization CMS backend system. Email us, we have always here.

Our design services are provided a wide range of professional design consultant in Web Design, Website development and maintenance, Responsive Web Design, Mobile and Tablet websites, WordPress CMS backend system, WordPress CMS with eCommerce backend system, Joomla CMS backend system, Joomla CMS with eCommerce Business version backend system, OpenCart eCommerce backend system, Web UI design, Web UX design, Search Engine Optimization(SEO), User-friendly Content Management System(CMS) and Tailor-made Online Shop eCommerce Web Design etc.

We not only pay great importance to the creative process and quality of each design project. We will pass on our works through different types of design orientation and creative thinking. For each client, give the biggest and most satisfying surprise.

The choices of confidence website services and professional technical consultant
Each design project begins with our accumulated 7937 days of design experience

We provide a full range of one-stop high-end website and design professional advisory services. Starting from the root of the server to optimize and enhance the deployment, through various types of creative thinking to design, the use of the world’s universal programming languages and mainstream popular websites and Online Shop eCommerce CMS backend systems for user-friendly interface management and provide comprehensive search engine optimization and SSL secure encryption certificate installation and configuration services.

Don’t worry!
We value experience.
All web and design troubles.
Give it to us!

Our Worldwide Professional Industry Standard Skills and familiar Software and Application summary

Website & Cloud Server

Server Type

  • Linux Server installation, optimization and enhancement configuration
  • Linux Dedicated / Single Tenant Bare Metal Server
  • Kubernetes Multiple Clusters (Deployed by us / Managed Kubernetes by cloud service providers)
    • Amazon Elastic Kubernetes Service (Amazon EKS) (More details)
      • Advanced Application – AWS Lambda Serverless Compute Technology
    • Google Kubernetes Engine (GKE) (More details)
    • Azure Kubernetes Service (AKS) (More details)
  • Linux Hypervisor (VMM)
  • VDS Virtual Dedicated Server, VPS Virtual Private Server (KVM, OpenVZ Container virtualization)

Server OS

  • CentOS Stream 9 (64-bit) (Our testbed development only)
  • CentOS Stream 8 (64-bit)
  • CentOS 7 (64-bit)
  • Graphical User Interface (GUI) on CentOS system
  • Node.js server-side application (Dynamic Apps)

Web Server

  • Apache PHP-FPM / MOD_PHP server
  • Nginx Reverse Proxy PHP-FPM server
  • Apache Nginx Reverse Proxy Varnish server
  • LiteSpeed Enterprise server
  • OneinStack with LAMP / LNMP / LNMPA / LAPP / LNPP on CentOS system
  • Centmin Mod LEMP stack on CentOS system
  • CentOS system with LAMP / LNMP stack

Global “Big 3” Cloud Service Providers and Dedicated Server Deployment

  • Amazon Web Services (AWS)
  • Google Cloud Platform (GCP)
  • Microsoft Azure
  • Others Dedicated Server providers

Server Web Control Panel

  • DirectAdmin
  • cPanel and WHM
  • Plesk

Web Server Configuration

  • Linux Kernel 5.19+ core
  • PHP 8.2+, PHP 8.1+, PHP 8.0+, PHP 7.4+, PHP 7.3+ and PHP 5.6+ script languages
  • IPv4 and IPv6
  • Reverse DNS
  • HTTP/2, HTTP/3 with QUIC network protocol (Listen to SSL 443 Port)
  • TLS 1.2, TLS 1.3 encrypted connection protocol (Transport Layer Security)
  • Online Certificate Status Protocol (OCSP) Stapling
  • Application-Layer Protocol Negotiation (ALPN)
  • Amazon Simple Email Service (Amazon SES)
  • Email SPF, DKIM and DMARC configuration
  • Swap Partition and File disk space configuration
  • Volumes Block Storage mounting and expansion
  • Spaces Object Storage with built-in Global CDN (S3 REST API Compatible)
  • s3fs (Linux and macOS – Mount S3 Object Storage)
  • HTTP Strict Transport Security (HSTS)
  • Google BBR Congestion Control Algorithm
  • Google Brotli Lossless Compression Algorithm
  • Google V8 JavaScript engine on CentOS system

Web Server Cache

  • Varnish Cache
    • Advanced Application – Varnish Cache Cluster
  • Google PageSpeed Module NGX (ngx_pagespeed) (Covers optimization suggestions from Google PageSpeed Insights)
  • APC / APCu
  • Zend OPcache
  • Memcached
  • LightSpeed Cache
  • Single Server – Redis
  • Requires three or more servers – Redis Master & Slave Replication with Read & Write separation and Auto-failover with Sentinel monitoring
  • Requires six or more servers – Redis Clusters mode with Read & Write synchronization, Nodes and Data Sharded (partitioning) structures

Web Server Data Backups

  • Automatic server full mirror Source and dual Remote Locations backups every day
  • Server Snapshots before running large server update or software installation (For VPS Virtual Private Servers)
  • Our servers use the new Zstandard (Zstd) (.tar.zst file format) lossless data compression algorithm
  • Gzip (.tar.gz file format) data compression algorithm
Design & Website

Design Software

  • Adobe Photoshop
  • Adobe Illustrator
  • Adobe InDesign
  • Adobe After Effects
  • Adobe Flash
  • Adobe Lightroom

Web Design Software & Auxiliary Website Development Tools

  • Adobe Dreamweaver
  • Adobe Animate CC
  • Oracle VirtualBox
  • Atom
  • Sublime Text
  • BBEdit (Textwrangler)
  • Notepad++
  • Insomnia REST Client
  • W3C Total Validator
  • NVDA Screen Reader
  • ColorZilla
  • FileZilla FTP
  • Pure-FTPd, ProFTPD
  • FTPS
  • SSH Access and SFTP
  • MySQL Workbench, pgAdmin
  • Cron Jobs
  • Rclone
  • Apache Spark
  • Cyberduck
  • PuTTY (Windows and Unix)
  • Host Table and Traceroute (Windows and macOS)
  • MTR (Windows WinMTR and macOS MTR)

Website Debug Tools

  • Mozilla Firefox and Firebug extension debugger
  • Google Chrome debugger
  • Google Chrome for Android debugger
  • Apple macOS Safari debugger
  • Chrome DevTools debugger for Google Flutter Apps project
  • Reactotron debugger
  • Ionic Lab debugger
  • Opera debugger
  • Microsoft Internet Explorer (IE) 8, 9, 10, 11 and Microsoft Edge debugger (We have deprecated and discontinued debugging all versions of Microsoft Internet Explorer (IE))

Domain Name Server (DNS) Configuration

  • Cooperate with Global CDN to effectively shorten Time to first byte (TTFB)
  • Cloudflare Global DNS
  • Amazon Route 53
    • Mapping domain name to Amazon EC2, Amazon S3 and Amazon CloudFront Global CDN etc.
  • Google Cloud DNS
  • Microsoft Azure DNS with Geographic Routing
  • Anycast DNS for IPv4 and IPv6 addresses
  • Chinese .香港 domain name configuration and Punycode internationalized domain name (IDN) encoding
  • AXFR – DNS Full Zone Transfer
  • DNSSEC prevents forgery of DNS and encryption signing
  • PTR records (Reverse DNS for client’s side)
  • Requires two or more servers – DNS Master & Slave Server Cluster
  • Floating IP Addresses – Applicable to failover of our high availability server cluster environment

External Domain Name Server (DNS) API

  • Our servers API support external DNS Providers to generate and renew the Let’s Encrypt SSL Wildcard on times automatically
  • Cloudflare Global DNS
  • Amazon Route 53 and Amazon Lightsail
  • Google Cloud DNS
  • Microsoft Azure DNS
  • DigitalOcean DNS
  • NameCheap PremiumDNS

Cloud SSL Key and Certificate Repository

SSL Challenge types validation

  • HTTP-01 challenge
  • DNS-01 challenge (For SSL Wildcard)

SSL ECC Certificates

  • Our servers support for ECDSA (Elliptic Curve Digital Signature Algorithm)
  • X9.62/SECG (prime256v1)
  • NIST/SECG (secp224r1)
  • NIST/SECG (secp384r1)
  • NIST/SECG (secp521r1)
Frontend & Backend

Web Skills & Programming

  • Optimize and Minify HTML
  • CSS, CSS3, CSS Less
  • Prioritize Critical CSS (Load CSS Asynchronously) / Remove Unused CSS, Optimize CSS Delivery and Defer Non-Critical CSS resources loading
  • JavaScript, Jquery
  • Eliminate Render-Blocking CSS / JavaScript
  • Minify CSS / JavaScript
  • Combine CSS / JavaScript resources (Not recommend for HTTP/2 or above servers)
  • Defer and Defer inline JavaScript / Asynchronous JavaScript resources loading
  • Delay JavaScript until user interaction / Resources loading after a timeout automatically
  • AJAX
  • XML
  • Google Fonts
  • Google XML Sitemap
  • Google Webp Lossless Compression (.webp)
  • AV1 Image File Format (.avif) (Our testbed development only)
  • Web SVG (Scalable Vector Graphics)
  • Tpl (.tpl), Twig (.twig)
  • React (JavaScript library)
  • React JSX (.jsx)
  • SEO Friendly structure
  • Schema.org Markup
  • WordPress Divi 4.0 & The Divi Visual Builder and Elementor framework custom-made web programming and functional development
  • phpMyAdmin, MySQL and MySQLi database manipulation, operation and programming

Mobile Apps & Native Apps Programming

  • Flutter by Google
  • React Native by Facebook
  • Ionic 3, Ionic 4, Ionic 5 and Ionic 6
  • Google Progressive Web Apps (PWA)
  • iOS and Swift Native Apps
  • Android Native Apps
  • Xcode (iOS Apps Editor)
  • Android Studio (Android Apps Editor)
  • Visual Studio Code (Hybrid Apps Editor)

Web CMS and Online Shop eCommerce Backend Skills & Programming

  • WordPress CMS backend system
  • WordPress CMS with eCommerce backend system
  • Node.js server-side – React + WordPress REST API
  • Joomla CMS backend system
  • Joomla CMS with eCommerce Business version backend system
  • OpenCart eCommerce backend system

Responsive Web Design (Mobile and Tablet Websites) Skills & Programming

  • Bootstrap 3, Bootstrap 4 and Bootstrap 5
  • Responsive Media Queries

Specific Web Skills & Application

  • Interactive One Page Website Web Design
  • W3C Web Accessibility production, assessment and enhancement

Protect the website from Fraud, Spam and Abuse

  • Google Authenticator or Microsoft Authenticator or receive One-Time Password by Email to login
    • Two-Factor Authentication (2FA)
    • Time-based One-Time Password algorithm (TOTP)
  • Google reCAPTCHA v2, Google reCAPTCHA v3
  • CAPTCHA with images or formula verification

Network Tools

  • Google & Bing SEO skills and Keywords techniques
  • Google Search Console
  • Next generation of Google Analytics 4 (GA4) tools
  • Google Tag Manager (GTM)
  • Google Optimize / Google Optimize 360 (Paid product)
  • Google Maps and its API integration setting services
  • OpenStreetMap (OSM) display and its API integration setting services
  • Bing Webmaster Tools
  • Microsoft Clarity

Promotional Email & SMS Marketing Campaigns

  • Sendinblue / Mailjet / Mailgun / MailChimp and its API integration setting services

Social Media Tools

  • Social network and sharing functions integration (For example: Facebook, Facebook Messenger, WhatsApp, Twitter, Pinterest and LinkedIn etc.)
Others Web Skills

Content Delivery Network (CDN)

  • Amazon CloudFront Global CDN (More details)
    • Use CloudFront Origin Shield to protect our origin servers in the shortest AWS region
    • CloudFront Event – Execute CloudFront Functions or Lambda@Edge function(s)
    • AWS Shield Standard – Managed DDoS protection (More details)
  • Google Cloud CDN with HTTP(S) Layer 7 load balancer (More details)
    • Compute Engine – Network Endpoint Group (NEG) must be activated and enabled (More details)
    • Google Cloud Armor Standard (More details)
  • Microsoft Azure CDN (More details)
    • Azure Front Door Standard / Premium (More details)
    • Standard Azure CDN
    • Standard / Premium Verizon CDN
    • Azure CDN DDoS Protection (More details)
  • Cloudflare Global CDN Service (More details)
    • Cloudflare Automatic Platform Optimization (APO) (More details)
    • Cloudflare Railgun™ Origin Network Optimizer (More details)

External Managed Databases

  • Amazon Relational Database Service (RDS)
    • Amazon Aurora
    • Amazon RDS for MySQL
    • Amazon RDS for PostgreSQL
  • Microsoft Azure SQL Database
    • Azure Database for MySQL Single / Flexible Server
    • Azure Database for PostgreSQL Single / Flexible Server
  • Deployed and Managed Databases by us
    • High Availability and Load Balancing performance for our Managed MySQL / PostgreSQL Databases
    • Memory Optimized – Up to 16 Physical Cores, 64 GB DDR4 RAM memory and NVMe SSD disk with high-speed I/O performance
    • Master & Master Replication with Read & Write synchronization
    • Auto-failover with Keepalived monitoring
    • Public IP address and MySQL Workbench / pgAdmin access
    • Latest 14 days retention periods for MySQL / PostgreSQL data backups

Server Firewall, Web Application Firewall (WAF) and Website Security

  • AWS WAF – Web Application Firewall (More details)
  • Cloudflare DDoS Resistance Attack Protection
    • DDoS L7 ruleset
    • Global L7 attack mitigations configuration
  • ModSecurity – Comodo WAF (CWAF)
  • CSF (ConfigServer Security & Firewall)
  • iptables and Fail2ban
  • SpamAssassin
  • Clam AntiVirus
  • Brute Force Monitor

24/7 Server & Website Security Features

  • Server Downtime & Performance Monitor (Every 1 minute apart)
  • Website Downtime Monitor (Every 5 minutes apart)
  • Jetpack Downtime Monitoring (Every 5 minutes apart)

Network Security and Online Payment Channels for Online Shop eCommerce

  • Let’s Encrypt SSL, Paid commercial SSL, Pure IP (IPv4) Address SSL, SSL Wildcard and SSL EV Greenbar certificates
  • Online payment channels configuration and its API connection and integration
    • AliPay Cross-border Website Payment (PC / WAP)
    • AlipayHK Website Payment (WAP)
    • Hong Kong Faster Payment System (FPS)
    • Mastercard Payment Gateway Services (MPGS)
    • Stripe (Visa, Visa (Debit Card), Mastercard, Mastercard (Debit Card), American Express, Alipay (Domestic e-wallet version) and WeChat Pay (Domestic e-wallet version))
    • PayPal (PayPal Payments Standard, PayPal Express Checkout)
    • Specific online payment integration services. Please feel free to contact us

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About Us • Addison Wan Hong Kong Web Design Company