Viacheslav Varenia

Medical Update and E-A-T ratio

Information about the author and contact details do not affect the ranking or organic traffic.

We conducted two studies after Google Medical Update.

First, we compared the two groups “Winners” and “Losers” using SEMrush Sensor and Ahrefs data.

The results of the first study:

a. One of the possible reasons why traffic has fallen is the large number External Outlinks.

b. The second possible reason is a poor mobile UX.

c. Thin or irrelevant content.

d. We strongly recommend check content quality.

John Mueller from Google has said,

“From my point of view, if you're aware of low-quality pages on your website, then that's something I'd try to fix and find a solution to, be that either removing those pages if you really can't change them or, in the best case, finding a way to make them less low-quality and actually making them useful, good pages on your site”.

Many experts advised to read Google Search quality evaluator guidelines and check the site`s quality using the model E-A-T.

We conducted a second study. Selection consists of 83 regional Ukrainian medical sites. Our process explored the E-A-T impact at changing search traffic.

Soft and tools

We used in our second study these data sources: Ahrefs, SEMrush, Moz, Majestic.

Software for collect data — Netpeak Spider.

Online tool for Data Analysis — AnswerMiner.

The chi-squared test is used to determine whether there is a significant difference between the expected frequencies and the observed frequencies ("Traffic drop"/ "Low E-A-T ratio").

Between "Low E-A-T ratio" and "Traffic drop" very weak correlation.

Conclusion: information about authors and author`s or site contact details, as part of E-A-T, do not affect ranking or Google organic traffic.

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