Other SEO features (per google lighthouse) I hope to see with OSC 4 are:
1. Compressed/optimized images (if possible, webp would be great)
2. Lazy loading images
3. Responsive images (different sizes from each image to serve on different devices)
4. Webfont preloading ( By optimizing rendering cycles, Chrome 83 eliminates layout shifting when preloading optional fonts. Modern browsers allow you to eliminate layout shifting entirely by preloading optional fonts - combining <link rel="preload"> with font-display: optional. This requires a developer working closely with the code, and a diagnostic tool like Lighthouse, to optimize webfont delivery." https://web.dev/preload-optional-fonts/) along with ensuring text remains visible during webfont loading.