• Paypal link / purchase capability
• Site review
• HTML Semantic Markup
  • Validated with W3C Markup Validation Service
• Schema.org microdata
  • Validated with Google's Structures Data Testing Tool.
• Javascript
  • Validated with JSHint
• Accessibility via ARIA attributess
  • Validated with Utah State University's WAVE tool.
• Responsive design
  • Validated with Designmodo Responsive Test
• White-hat on-page search engine optimization
  • Validated with Seobility SEO Checker
• Performance/rendering optimization, validated with:
  • Google Page Speed Insights
  • YSlow
  • WebPageTest
• CSS template, layout
  • Validated with W3C CSS Validatopm Service.
• Open Graph tag meta data, validated with:
  • Facebook Sharing Debugger
  • Rakko Tools Open Graph Debugger/Simulator
• Twitter Card meta data, validated with
  • Twitter's Card validator
  • Rakko Tools Open Graph Debugger/Simulator
• Robots.txt file
  • Validated with Merkle Robots.txt Validator
• Sitemap.xml file
  • Validated with Seomator Site Map Test
• Favicon.ico file
  • Validated with Favicon checker
• Live statistics: Revolver maps
• Image optimization: Compressor.io
• DDoS protection: Cloudflare
• CDN: Cloudflare

Other tools used for programming and design or this web site:

• vim 8.0.891
• Adobe Photoshop CS6
• Online JavaScript Beautifier
• Real Favicon Generator
• Toptal CSS Sprites Generator
• Minifier.org