While each of these methods is valid, one method is highly recommended: responsive web design. The advantages of responsive web design are many, including a single URL, content that does not change between devices, no redirects required, less chance of content errors, easier maintenance, and it allows Google to crawl only a single page.
If your site uses other methods, you can still rank, but you have to do more work to connect your mobile pages to Google. Whenever possible, you should choose responsive web design.
By far the biggest technical mistake in mobile SEO is not cayman islands mobile database matching mobile content to desktop content. If Google has mobile-first indexing enabled for your site as it does for the vast majority of sites, this means that any content that is “missing” on the mobile version of your site may not be indexed as it is on desktop.
Content checks that should be the same on both the mobile and desktop versions of your site include:
Meta robots tags e. index, nofollow
Title tags and metadata
content
Title tag
picture
Link
Structured Data
Robotsxt access
Special considerations for single URLs
In some cases, your site might split URLs to serve mobile pages again, not recommended. For example, exampleom might serve desktop users but redirect to m.exampleom for mobile users.