[Web] SEO and metadata — OpenGraph, Twitter cards, sitemap, robots.txt #6
Description
📝 Description
Add proper SEO metadata, OpenGraph and Twitter card tags, a sitemap, and robots.txt to Alien Protocol Web. Each /@username resolver page should generate dynamic OG metadata so that links shared on social media show the username and linked address preview.
✅ Requirements
- Global
<head>meta: title, description, OG image, Twitter card - Dynamic OG metadata for
/@usernamepages:"@username | Alien Gateway"+ address preview sitemap.xmlgenerated at build time for static pagesrobots.txtallowing crawl of all public pages- OG image: generate per-username with the Alien Protocol logo +
@usernametext
🎯 Acceptance Criteria
- OG tags present on all pages (verify with OpenGraph debugger)
- Dynamic
/@usernamepages generate correct OG title and description -
sitemap.xmlreachable at/sitemap.xml -
robots.txtat/robots.txt - Lighthouse SEO score = 100
📁 Expected files to change/structure
src/app/layout.tsxorpages/_app.tsx— global metasrc/app/[username]/page.tsx— dynamic metapublic/robots.txtscripts/generate-sitemap.ts
🌿 Branch:
feat/web-seo-metadata| Priority: LOW | Difficulty: ☕ easy