Don't publish until you've checked every single one of these.
Performance
- Site loads under 2 seconds?
- Images optimized/compressed?
- Lazy loading enabled?
Mobile
- Fully responsive?
- Touch targets 44px+?
- No horizontal scroll?
SEO Basics
- Meta titles/descriptions?
- Alt text on images?
- Sitemap submitted?
Security
- SSL certificate?
- HTTPS working?
- Forms working?