- 301 www.postcardmojo.com and proxied plain http to https://postcardmojo.com
- Route HEAD requests for /, /home and /privacy
- Replace 1.68 MB mascot GIF with a 153 KB animated WebP (GIF fallback)
- Replace 286 KB logo PNG with 220px WebP/PNG; add 7 KB root favicon.ico
- Long Cache-Control on /images, /css, /js; versioned CSS/JS links
- Enable IIS static/dynamic compression
- Branded 404 page served with a real 404 status
- Add sitemap lastmod and llms.txt

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>