SEO Announcement Google Mobile First Index Update

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Google has announced after a year and a half the Mobile First Index Update.
First of all, do not panic!,basically this update is means that they'll use the mobile version of the page for indexing and ranking instead of the Desktop version.

To sum up (from

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):

• Mobile-indexing is rolling out more broadly. Being indexed this way has no ranking advantage and operates independently from our mobile-friendly assessment.
• Having mobile-friendly content is still helpful for those looking at ways to perform better in mobile search results.
• Having fast-loading content is still helpful for those looking at ways to perform better for mobile and desktop users.
• As always, ranking uses many factors. We may show content to users that’s not mobile-friendly or that is slow loading if our many other signals determine it is the most relevant content to show.

Some Basic Recommendations:

• Understand how is your website managing Mobile and Desktop versions: Is your website using a Responsive Design?, are you using separated URL for Mobile and Desktop?, is your website generating Dynamic Content depending on Device?. It's crucial you understand how is your website managing different Devices in order to fix Issues or Improve UX (User Experience).
• Test if your website is Mobile-Friendly. ( you could use this tool from google:
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  )
  
• Take a look your Google Search Console ->Search Traffic ->Mobile Usability Report in order to discover if there are important issues.