How to write the author E-A-T information in the digital era?

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This article was written on September 19, 2019., by Julio R. Sanoja

This article is based on ideas I took from the September 13, 2019 Moz Whiteboard Friday, given by Marie Haynes from Marie Haynes Consulting. Thanks Marie for such a valuable information. I also took other ideas and other information from the Google Quality Rating Guidelines 2019 edition document.

Google has more than 10,000 people all over the world, that work daily as web pages and websites quality raters. These raters follow the Google Rating Guidelines, which is a 164 pages’ document to train raters how to rate a web page and a website. These web pages and websites ratings help Google to improve the search algorithm and the search results.

Web page and website quality rating is primarily based on the content quality and the content author E-A-T, where E stands for author Expertise; A stands for author Authoritativeness; and T stands for author Trustworthiness.

Quality rating for a web page and a website can be Low, Medium, or High; depending on how is the author E-A-T, and how is the content quality and how it helps to the purpose of the web page and how it helps to solve the webpage user need. If any of the author E-A-T is low quality, then the web page or website rating will be low quality. If the content is low quality, then the web page or website will be low quality.

For a web page and a website to be medium quality, or high quality, the content author E-A-T for that web page and for that website must be medium or high for all 3 author attributes, E-A-T. Also, the content quality must be medium or high quality.

Google quality raters need to have at hand all the author information about his or her E-A-T, therefore, it is recommended that authors include this information at the end of each content they produce for the web pages and for the website.

Author information recommended to show Expertise:

  • Author Bio
  • Link to author personal LinkedIn profile

Author information recommended to show Authoritativeness:

  • Author books published
  • Author articles published
  • Author papers, essays, and scientific work published
  • Author other texts published
  • Recommendations from other experts
  • Recommendations from specialized media

Author information recommended to show Trustworthiness:

  • Author contact information
  • Author case studies
  • Recommendations from LinkedIn
  • Reviews from Google My Business
  • Brands the author has worked for and with.

All this author information can be a template placed at each of the web pages and website content footer.





How To Write The Author EAT Information In The Digital Era
How To Write The Author EAT Information In The Digital Era


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About the Author: Information for the readers and for Google Quality Raters.


This article was written by Julio R. Sanoja, SEO consultant and strategist at MSalesLeads, a SEO consultants agency in Miami, Florida.

Julio is an environmental engineer from University of Michigan class of 1983, and a chemical engineer from Universidad Simón Bolívar class of 1980.

He has been strategically designing and executing SEO and digital marketing projects since 2002.

Julio has given conferences, workshops, and courses about Google, SEO, digital marketing, and digital advertising since 2002.

Julio has 39 years of experience in entrepreneurship, strategy, business, marketing, and sales; and 17 years of experience in digital marketing, consulting, strategy, SEO, and digital advertising. You can see the complete Julio Bio at the following LinkedIn profile:


Julio has written and published 280 articles about Google, SEO, digital marketing, and digital advertising. You can read Julio´s articles at the following link:

Our agency has been featured at Expertise, Upcity, Clutch, and Design Rush as one of the top digital agencies in Miami.

We have also been featured at CV Magazine as a most outstanding agency for lead generation solutions in Florida 2018, and SEO Consultant of the Year 2019 – South East USA.
Our agency has been featured by Design Rush as one of the top 25 SEO Companies that can adapt your SEO strategy in 2019, and one of the Top Florida Digital Marketing agencies in 2019.

Our articles have been featured at Medium.

We have been interviewed at Voyage Mia.

We have obtained several Google featured snippets in search.


We help businesses all over the world, to grow their businesses; position their brands, products and services; and get qualified leads and new customers online. We have been doing this for the last 17 years.

You can write me or you can call me 305-918-9793 if you need our services.

Julio has worked for and with global brands such as Exxon, Dow Chemical, Gulf Oil, Harbison Walker, Cambridge International Consulting, IMG Academy, Pfizer, AstraZeneca, Sandoz, Mercedes Benz. We have also worked for small and medium size companies.

You can read our recent case studies at the following link:

You can read Julio´s skills, endorsements, and recommendations at his LinkedIn profile:

You can read MSalesLeads reviews at the agency Google My Business profile.

Julio R. Sanoja
Julio R. Sanoja