You can save a lot of time by using HTML features rather than creating them from scratch. The Base Element specifies the base URL to use for all relative URLs in a document. Lazy Loading Images And Iframes defer the loading of both images and iframes until they become visible in the browser.
Table of contents
1. Input Suggestions2. Details Discloure3. The Base Element4. Lazy Loading Images And Iframes5. The Picture ElementSort: