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What is Google EAT? The ultimate Affiliate Marketing SEO E-A-T Guide

Whenever I hear the term E-A-T in SEO circles, I always think of food first. Then, after a reality check, it dawns on me that we are talking about Google E-A-T.

Over the years, this has been a common term for SEO professionals. However, the bigger question to the SEO pro reading this right now is why this Google E-A-T matters and what it is.

E-A-T stands for Expertise, Authoritativeness, and Trustworthiness.

It has been part of the Google algorithm over the years. It is also part of the Search Quality Evaluator Guidelines, which determine how an affiliate marketing site rates on the E-A-T scale (although Google denies any existence of an E-A-T scale or score).

However, we assume this is very important to Google because of the number of pages Google spends explaining every aspect of E-A-T in the Search Guidelines (57 pages out of 175).

Therefore, in this article, we want to discuss the following:

1. What is E-A-T?

This term first appeared in Google’s Search Quality Guidelines in 2014. Over the years, there has been a lot of iteration of that section of the guidelines to improve it. However, from the beginning, E-A-T has always meant:

  • The Expertise person creating the content.
  • The Authoritativeness of the person creating the content, the content itself, and the website where the content is published.
  • The Trustworthiness of the content creator, the content itself, and the website on which it is published.

In summary, consider this question.

Who would you trust to feed you with actionable content on a particular topic?

A simple answer would be:

Someone with professional credibility who writes content for a website that displays continuous authority and consistency in the topic.

So here are quick examples:

  • A professional violinist who started a website that talks about Violins inside out.
  • A professional psychologist who creates content about mental illness on a website that consistently covers mental illness across the board.
  • A renowned cyclist who creates content about cycling for other cyclists and cycling enthusiasts who continuously engage with the content.

I hope that the concept of E-A-T now makes sense to you. We now delve deeper into the Google E-A-T and how it affects your SEO strategy.

2. Summary of Google’s Search Quality Rater Guidelines of E-A-T

Google’s Search Quality rater guidelines provide a framework for evaluating and ranking web pages. This framework helps webmasters understand Google’s expectations of their affiliate marketing sites and how that affects their ranking in the search engine rankings.

We have discussed the Quality Rater Guidelines in greater detail in this post: How the Google Algorithm Perceives Quality.

However, for the sake of our article, we will summarise below the guidelines with an emphasis on the E-A-T requirements.

The whole Quality Rater Guidelines PDF can be summarised into the following two areas:

  • Page Quality – this is the quality of a website divided into the following areas:
  1. The goal or purpose of a website.
  2. The content quality.
  3. The E-A-T of the source where information on the website is coming from.
  • Satisfying the users’ needs – Does your website content meet the needs of its visitors?

Therefore, Google rates an affiliate marketing website as high quality if it scores very highly in the guidelines mentioned above – one of which is E-A-T.

3. Is E-a-T a Ranking Factor or Not?

Google has a set of ranking factors that are well-known to most SEO professionals. However, E-A-T is not a direct ranking factor.

Sometimes, it is essential to read between the lines of what Google says regarding Google’s guidelines.

Gary Illyes from Google has said people talk about E-A-T more than it is talked about at Google:

However, in the Google Quality Rater Guidelines, Google mentions E-A-T more than 100 times in over 50 pages.

This document shows how Google fights misinformation on the Internet. E-A-T is an essential part of how Google determines search rankings.

In this set of tweets by Danny Sullivan, Google’s Public Liaison of Search, he said that there are some signals that Google uses to determine E-A-T where some of the signals could be ranking factors;

In summary, there is no Google E-A-T score. However, E-A-T is an essential concept for Google. It uses other measurable factors to determine whether a website achieves the level of quality that showcases Expertise, Authoritativeness, and Trustworthiness (EAT).

4. Importance of E-A-T

If E-A-T is not a ranking factor, then what is its importance? I know this is the very question going into your head.

It’s simple. Google has human reviewers. This Google E-A-T guideline tells those reviewers that Google wants content with the following attributes considered high quality:

  • An expert writes content.
  • Content is written on an authoritative blog.
  • Content is trustworthy.

This is all about the importance of Google E-A-T. If your content doesn’t meet the attributes above, you are not creating high-quality affiliate marketing content.

Therefore, how do you bake Google’s E-A-T into your content to achieve that credibility with Google? Here is a 5-step checklist.

5. How to Integrate Google E-A-T Into Your Content: A 5-Step Checklist

a) Create an Author or About Page

The first requirement of the E-A-T acronym is Expertise.

Google wants to know who is creating the content on your website. So tell them that it is you or your team.

Tell Google why you have the required expertise in this content.

For example, be open about your team’s credentials on your About page. This could also be part of your team page.

Highlight your team’s qualifications and why they should be trusted to inform others regarding your affiliate marketing content niche or topic.

Create author pages, too. Each author can have a brief bio where Google gets to learn about why they are experts on what they are writing about.

A hobbyist DIYer could start a blog about designing and crafting various types of furniture. This is a hobby, but Google loves that it’s your hobby – you are obsessed with it and have built up some experience, too.

You don’t have to be a professor of carpentry to write a blog about DIY furniture. The bottom line is that you have the expertise.

b) Collaborate With Experts in Your Industry

Collaborating with experts further adds to the Expertise-Authoritativeness-Trustworthiness of your content.

Instead of working with writers who are not experts in your topic, find experts in your niche and work with them to publish various high-quality issues and research.

c) Update Old Content Regularly

Google wants your website content refreshed with something new and valuable every chance.

Old content that is just so out of touch with the current trends sucks. And Google knows that its users (literally everyone) want to see ever-current and helpful affiliate marketing content.

If you have old pages that have not been looked at for ages, you should update them with new visuals and data, fix broken links, and improve their information.

Read Also: How to Remove Outdated Content From Your Affiliate Marketing Website

That way, it shows Google that your site can continuously provide relevant, accurate information for users.

d) Link to High-Authority Sources

How do you stamp your understanding and Authoritativeness of a specific topic? How can you show Google you are a trustworthy source?

Link to other authority sources to back up what you publish in your content.

Use accurate raw data, links to research papers, and even social posts from people in your industry who are known experts.

This way, Google sees that you rely on high-quality sources for the content you share with your users.

e) Generate Backlinks from High Authority Sources

What is more E-A-T than getting high-authority backlinks from other high-authority websites? This is one of the best wins you can continuously push for by generating high-quality, linkable content.

When people in their high E-A-T industries link back to your site through various types of backlinks like niche edits, press releases, infographic links, etc, you can quickly stamp your credibility in your industry.


Google has clarified that E-A-T is not some internet destroyer. However, it will matter if Google wants to determine whether the affiliate marketing content is high quality.

Therefore, you now need to serve E-A-T in your content marketing strategy.

The Expertise, Authoritativeness, and Trustworthiness (E-A-T) of your content can no longer be ignored. Or you won’t eat? At least not from the internet money.


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