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Navigating the Winds of Change: Unpacking Google’s Q3 2018 Algorithm Updates

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Introductory Insights

The third quarter of 2018 saw Google unroll significant updates to its search engine algorithm. These updates, primarily aimed at improving user experience and search relevance, had substantial implications for website rankings and SEO practices.

Speed Update

This update, as the name suggests, focused on mobile search speed. Websites with faster loading times were rewarded with better rankings. The emphasis on speed underscored Google’s commitment to mobile-first indexing and highlighted the necessity for webmasters to optimize their site speed.

Medic Core Update

 The Medic Core Update seemed to target health and wellness websites, adjusting rankings to favor sites with more authoritative and trustworthy content. It emphasized the importance of expertise, authoritativeness, and trustworthiness (E-A-T) which has become a critical part of SEO strategies.

September 2018 Core Update

Less detailed than the previous updates, this core update again emphasized quality content and relevancy. It’s a reminder that Google’s algorithm continues to prioritize well-researched, valuable content that meets the searcher’s intent.

Impact on SEO Tactics

The updates necessitated a shift in SEO strategies, from merely focusing on keywords and backlinks to a more holistic approach. Ensuring mobile optimization, improving page load speed, and demonstrating E-A-T through high-quality, relevant content has become indispensable.

Looking Ahead: Preparing for Future Algorithm Changes

As Google’s algorithm evolves, so should SEO strategies. Understanding and adapting to these updates is crucial for maintaining or improving website rankings. The focus should remain on delivering exceptional user experience and adhering to SEO best practices that align with Google’s emphasis on quality and relevance.


The Q3 2018 Google algorithm updates reiterated the search engine giant’s move towards a more user-centric web. The emphasis on mobile speed, quality content, and E-A-T are not merely transient trends, but indicative of the trajectory SEO practitioners should expect and prepare for. These updates underscore the need for a more nuanced, quality-driven approach to SEO, setting a clear agenda for what lies ahead in the ever-evolving SEO landscape.

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