Google’s December 2025 Core Update, rolled out from December 11 to December 29, marked a significant shift in search rankings. This broad core algorithm adjustment emphasized specialized expertise and direct product authority, leading to notable changes in how “best of” queries are ranked. Queries like “best winter boots,” “best accounting software,” or “best Steam Deck games” increasingly favored official brand pages and specialized retailers over generalist review sites and affiliate publishers.
Early analyses from SEO experts, including Pedro Dias and Ignacio Solís, highlighted a clear trend: brands with firsthand product knowledge gained visibility, while third-party recommendation content from broader sites declined. This update reinforced Google’s ongoing push toward rewarding depth, authenticity, and user intent alignment, continuing patterns seen in previous core updates but with a sharper focus on commercial and product-related searches.
The implications are profound for publishers, e-commerce sites, and brands. Generalist content creators now compete directly with manufacturers, while brands investing in high-quality category pages see rewards. This article explores the update’s details, impacts, winners and losers, and strategies for adaptation.
What Happened in the December 2025 Core Update
Google announced the December 2025 Core Update on December 11, describing it as a “regular update designed to better surface relevant, satisfying content.” It was completed on December 29 after 18 days, making it the third core update of 2025 following March and June.
Unlike targeted spam updates, core updates recalibrate Google’s entire ranking system. This one appeared to refine query intent classification, treating many “best of” searches as having stronger commercial intent. As a result, pages demonstrating direct expertise—such as official brand catalogs—outperformed aggregated reviews from non-specialized sites.
Volatility spiked early (December 13) and again on December 20, with tools like SEMrush Sensor showing high fluctuations. News publishers also faced disruptions in Google Discover and News surfaces, underscoring Google’s emphasis on niche depth over broad coverage.
This update was built on trends from 2024-2025, where specialized sites gradually eroded gains held by generalists. However, the shift toward brands in “best of” results was particularly pronounced, signaling a potential reclassification of informational queries with buying signals.
Key Changes: Brands Dominating “Best Of” Queries
The standout observation from the December update was the surge in brand-owned pages for “best of” and product recommendation queries.
Examples of Shifts
- Gaming: Queries like “best Steam Deck games” and “best co-op games” saw drops for sites like Game Radar, replaced by official pages from Nintendo and Epic Games.
- Fashion/Retail: “Winter boots women” and “men’s cologne” favored brands like Columbia, The North Face, and Fragrance Market over broader retailers like Macy’s.
- Software: “Accounting software for small business” boosted dedicated pages from FreshBooks and Xero, while generalists like Zapier and Adobe declined.
Analyst Pedro Solís documented these changes, noting that Google rewarded pages “mapping cleanly to the product category” with direct authority. This suggests the algorithm now prioritizes signals of firsthand experience and product ownership for queries implying purchase intent.
Broader retailers lost ground on mid-funnel terms, while specialized brands and niche e-commerce sites gained. This aligns with Google’s evolving understanding of user needs: searchers seeking “best” recommendations often want authoritative sources close to the products themselves.
The update also amplified “depth signals,” making it harder for non-specialized sites to maintain broad rankings without demonstrated expertise
Winners and Losers
Winners
- Direct Brands: Companies like Nintendo, Epic Games, Columbia, FreshBooks, and Xero saw significant gains as their catalog and product pages ranked higher.
- Specialized Retailers: Niche-focused e-commerce sites with deep category expertise outperformed general marketplaces.
- Niche Publishers: Sites with proven depth in specific topics maintain or improve visibility.
Losers
- Generalist Review Sites: Affiliate-heavy publishers creating broad “best of” lists (e.g., Games Radar) experienced sharp drops.
- Broad Retailers: Large platforms like Macy’s, lost on product queries to more focused competitors.
- News and Aggregator Sites: Volatility hit Discover and News, particularly for non-niche publishers.
Data from tools like SISTRIX showed mixed but clear patterns: domains with strong topical authority rose, while those relying on breadth fell.
This redistribution highlights a maturing algorithm that compares competing pages more rigorously, favoring those with inherent authority.
Why Brands Are Winning Now
Several factors contributed to brands’ ascendancy:
- Query Intent Reclassification: Many “best of” queries, previously treated as informational, now lean commercial, prioritizing sources with product control.
- E-E-A-T Emphasis: Experience, Expertise, Authoritativeness, and Trustworthiness signals are stronger from brands that design, manufacture, or exclusively sell products.
- Depth Over Breadth: Generalist sites struggle when brands create targeted, high-quality landing pages.
- User Behavior Signals: Metrics like direct navigation and engagement may boost brands with loyal audiences.
- Ongoing Algorithm Evolution: Building on Helpful Content and previous core updates, Google refines relevance for satisfying results.
This trend isn’t new but accelerated in December 2025, forcing a reevaluation of content strategies.
Impact on Publishers and Affiliate Sites
- For publishers relying on “best of” guides, the update was challenging. Third-party reviews now directly compete with brands, reducing visibility for aggregated content.
- Affiliate sites saw traffic drops as rankings shifted to commercial entities. News publishers faced additional volatility in Discover, complicating planning for non-niche outlets.
- Recovery isn’t quick—Google advises focusing on quality improvements rather than fixes. Publishers must pivot toward deeper niche expertise or unique value (e.g., user testing, exclusive data) that brands can’t replicate
Impact on Brands and E-Commerce
- Brands emerged as clear beneficiaries. Investing in optimized category and product pages yielded immediate gains.
- Specialized e-commerce sites also thrived, gaining on mid-funnel queries. Broader retailers, however, need to enhance depth in key categories.
- For brands, this validates creating authoritative content: detailed guides, comparisons, and catalogs now rank competitively against reviews.
Strategies for Recovery and Adaptation
If impacted negatively:
- Audit content for depth and uniqueness.
- Enhance E-E-A-T with author bios, sources, and original insights.
- Focus on niche specialization.
- Improve technical performance and user experience.
- Monitor Google Search Console for patterns.
For brands:
- Optimize product pages with rich details.
- Create “best of” content from an authoritative viewpoint.
- Build topical clusters around categories.
Long-term: Prioritize people-first content over SEO tactics.
Read More: Grok AI being used to ‘digitally remove women’s clothing.’
FAQ
What was the December 2025 Core Update?
A broad algorithm adjustment from December 11-29, 2025, improving relevance by favoring specialized, authoritative content.
Why are brands ranking higher for “best of” queries?
Google appears to classify these as commercial-intent, rewarding direct product expertise.
Did this update target affiliate sites?
No direct targeting, but affiliate-heavy generalists lost ground to brands.
How long was the rollout?
18 days, completing December 29.
Is this related to the Helpful Content Update?
It builds on similar principles but is a separate core update.
Can sites recover?
Yes, by improving quality, depth, and E-E-A-T, recoveries may take months.
Did news sites get hit?
Yes, volatility in Discover and News for non-niche publishers.
What queries were most affected?
“Best of” product lists, mid-funnel searches like “best [product].”
Should publishers stop creating “best of” lists?
Not entirely—focus on niches where you have unique expertise.
How does this differ from previous updates?
Sharper focus on brand authority in commercial queries.
Conclusion
The December 2025 Core Update solidified a pivotal shift: in “best of” queries, brands with direct authority are increasingly dominant. This evolution rewards specialization and authenticity, challenging generalists while empowering creators of genuine value.
