If is obsolete, what is preferred?

Question

The HTML code text is very useful for creating links to specific sections of a page (e.g., page.html#some_bookma

Answer 1

(Note: migrated from https://webmasters.stackexchange.com/a/30031/10884 and edited for brevity.)

If you need to jump users to in-page links, also known as fragment identifiers, you can set the id attribute (which is used for more than just frag ids) on any element. Then use the usual # in the URL of a href attribute of an a element. Here’s an example:

  
Despite the many
    benefits
    you may experience while chewing gum, there are also many drawbacks,
    especially with 
    non-sugarless
    gum.
  ...
  

    
Benefits of Gum Chewing
    ...
  

When writing my own pages, I like to give an id to each

tag (HTML5), even if I don’t plan on using it. The value of the id is a URL-friendly version of its heading’s content. You can achieve the same effect by assigning the same id to an

, etc.