As mentioned above, these are text-based. Search engine optimization is the same as getting indexed content from Google.
The following is a summary of the information in the guide.
These tips include:
- HTTP status codes: Use an explicit status code to tell Googlebot whether to crawl or index the page or if the page has moved to a new URL.
- Lazy-loading: to save bandwidth and improve performance, lazy loading is used only for downloading images when viewing them.