ChartLedger

Fast, SEO-friendly financial charts for crypto and stocks — built with Next.js, Tailwind CSS, and TradingView Lightweight Charts.

Features

• Candlestick charts with volume and multiple timeframes
• Live crypto market data via the Binance public API
• Stock/index placeholders ready for Twelve Data or Polygon.io
• Programmatic SEO routes (/chart/btc, /chart/aapl) with auto-generated metadata
• Dynamic sitemap.xml and robots.txt
• Monetization layout: AdSense slots, affiliate CTAs, CPA buttons with fallback URLs
• Environment-based config for Vercel or any Node host

Tech stack

• Next.js (App Router)
• Tailwind CSS
• TradingView Lightweight Charts
• TypeScript

Getting started

npm install
npm run dev

Open http://localhost:3000, then try /chart/btc or /chart/aapl.

Environment variables

Copy .env.example to .env.local and fill in values as needed:

Variable	Description
NEXT_PUBLIC_SITE_URL	Canonical site URL (sitemap + metadata)
TWELVE_DATA_API_KEY / POLYGON_API_KEY	Optional stock/index APIs
NEXT_PUBLIC_AFFILIATE_* / NEXT_PUBLIC_CPA_*	Affiliate and CPA links
NEXT_PUBLIC_ADSENSE_CLIENT	AdSense publisher id

Scripts

npm run dev      # local development
npm run build    # production build
npm run start    # serve production build
npm run lint     # ESLint

License

MIT