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This article introduces the relevant knowledge of "how to achieve Android two-way annotations". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Comments in HTML

On the desktop web page (http://www.example.com/page-1)), add:

On the mobile web page (http://m.example.com/page-1)), the required comments should be:

The rel= "canonical" tag in this mobile URL that points to the desktop web page is required.

Comments in the site map

We support adding rel= "alternate" comments to desktop pages in the site map as follows:

Http://www.example.com/page-1/

The necessary rel= "canonical" tags in the mobile URL should still be added to the HTML of the mobile web page.

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