Search Engine Land has published a comprehensive article explaining the major eight Google algorithm updates.

The SEL team says, “In this post, we will be counting down eight of the most critical search algorithm changes. We will look into why these updates were introduced, how they work and what adjustments we had to make to our SEO strategies in response.

But before we start, let’s see if you’ve ever been impacted by an algorithm update. All you need to do is launch Rank Tracker, sync it with your Google Analytics account and switch to Organic Traffic.

Just hover your mouse over the dash lines on the graph to see if certain algo updates correspond with your site’s traffic changes.

1. Panda

Date: February 24, 2011

Hazards: Duplicate, plagiarized or thin content; user-generated spam; keyword stuffing.

How it works: The Panda algorithm update assigns a so-called “quality score” to web pages. This score is then used as a ranking factor. Initially, the effects of Panda were mild, but in January 2016 it was permanently incorporated into Google’s core algorithm”.

8 major Google algorithm updates, explained

Search Engine Land

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