Algorithm Updates

Google Search Algorithm Updates | Allgood Marketing

Tracking Google's core updates, spam updates, helpful content system, ranking changes, and search platform announcements.

March 2025 HIGH IMPACT

March 2025 Core Update

Google's first core update of 2025 began rolling out in mid-March, with significant volatility for sites that hadn't recovered from the March 2024 core + helpful content overhaul. Pages with strong topical authority and clear EEAT signals saw lifts; pages relying on aggregated or thin content saw further declines.

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December 2024 HIGH IMPACT

December 2024 Spam Update

Targeted manipulative ranking practices — primarily expired-domain abuse, site-reputation abuse, and scaled content abuse. Major media sites with 'parasite SEO' subdomains saw rankings stripped within days. Rolled out December 19-26, 2024.

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December 2024 HIGH IMPACT

December 2024 Core Update

Mid-December core update, the second core update in two months. Affected many of the same niches as November's update but with partial reversals on previously-demoted sites that had restored quality signals.

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November 2024 HIGH IMPACT

November 2024 Core Update

Rolled out November 11 - December 5. Significant volatility across health, finance, and news verticals. Sites with strong author authority and original reporting performed well; aggregated and AI-generated content continued to be demoted.

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August 2024 HIGH IMPACT

August 2024 Core Update

August 15 - September 3, 2024. Google described it as targeting helpful, satisfying content. Many recovered from the March 2024 hit; many were hit for the first time. The update reinforced the 2023 helpful content system as a baked-in part of Core.

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June 2024 MEDIUM IMPACT

June 2024 Spam Update

June 20-27, 2024. Targeted scaled content abuse and expired domain abuse explicitly. Sites using AI to mass-produce thin articles at scale lost large percentages of organic traffic.

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May 2024 HIGH IMPACT

AI Overviews General Availability

Google launched AI Overviews (formerly SGE) to all US users on May 14, 2024. Traditional organic click-through rates dropped 10-40% on queries that triggered AI Overviews, depending on intent. Local + transactional queries were less affected; informational queries hit hardest.

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March 2024 HIGH IMPACT

March 2024 Core Update + Spam Update

March 5 - April 19, 2024. Largest update in Google's history. Combined core + spam + helpful content system integration. Eliminated entire AI-content farming sites overnight. Many publishers lost 60-90% of organic traffic. Set the new bar for original-content + EEAT requirements.

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