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2025 SEO Headlines

SEO Daily News Recaps for Sunday, December 21, 2025

12/22/25

SEO Daily News Recap for Sunday, December 21, 2025

Organic SEO & Search News

Google December 2025 Core Update Volatility – Google’s latest core update has caused significant volatility in search results, impacting websites across various industries.

The coming AI security crisis (and what to do about it) – Security researcher Sander Schulhoff highlights the challenges of AI security and provides insights on how to secure AI products effectively.

Paid Search & Platform Innovations

LinkedIn Shares Tips on How to Boost Your In-App Performance in 2026 – LinkedIn offers valuable insights and tips to improve performance within the app based on the latest usage trends.

TikTok Announces Expanded Partnership with International Ski Federation – TikTok’s partnership expansion with the International Ski Federation reflects the growing interest in Winter sports content on the platform.

General Digital Marketing

X Shares Most Discussed Topics of 2025 – X provides insights into the trending topics of the year, offering valuable data for marketers to leverage in their strategies.

X Adds New Creator Studio Hub on Mobile – X introduces a new Creator Studio Hub on mobile, enhancing creators’ ability to track growth and monetization opportunities.

X Shares ‘Q5’ Marketing Insights and Tips – X reveals marketing insights and tips for leveraging post-Christmas conversations and trends to drive engagement and conversions.

Dive into our detailed sections for more insights and updates.

Organic SEO & Search News


SEO Daily News and Algorithm Updates


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SEO Daily News and Algorithm Updates


12/21/2025


X Shares Most Discussed Topics of 2025

Some insights into the most discussed topics in the app this year.

Source:
Social Media Today – Latest News


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SEO Daily News and Algorithm Updates


12/21/2025


X Shares ‘Q5’ Marketing Insights and Tips

X says that a lot of popular topics see more conversation post-Christmas.

Source:
Social Media Today – Latest News


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SEO Daily News and Algorithm Updates


12/21/2025


Google December 2025 Core Update Volatility Saturday, December 20th

As you all know, Google announced the Google December 2025 core update on Thursday afternoon, December 11th, we saw some significant volatility hit early on December 13th and then it seemed to cool a bit towards the middle of the week. Now, I am seeing signs of more intense volatility hit on Saturday, December 20th.

Source:
Search Engine Roundtable


Technical SEO


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Technical SEO


12/21/2025


The coming AI security crisis (and what to do about it) | Sander Schulhoff

AI guardrails don’t work. Security researcher Sander Schulhoff on prompt injection, red teaming, why AI defenses fail, and what actually secures AI products.

Source:
Lenny’s Newsletter


SEO Tools and Data Analysis


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SEO Tools and Data Analysis


12/21/2025


X Adds New Creator Studio Hub on Mobile

A new way to keep tabs on your growth and monetization potential.

Source:
Social Media Today – Latest News


Career Development and Industry Trends


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Career Development and Industry Trends


12/21/2025


LinkedIn Shares Tips on How to Boost Your In-App Performance in 2026

LinkedIn has also shared stats on latest usage trends to reinforce its notes.

Source:
Social Media Today – Latest News


User Experience and SEO Optimization


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User Experience and SEO Optimization


12/21/2025


TikTok Announces Expanded Partnership with International Ski Federation

Interest in Winter sports is rising in the app.

Source:
Social Media Today – Latest News

Job Postings


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Job Postings


12/21/2025


Sr. Website Performance & Optimization Manager ~ Smarsh ~ In-office (USA) ~ Atlanta, GA, United States

Who are we? Smarsh empowers its customers to manage risk and unleash intelligence in their digital communications. Our growing community of over 6500 organizations in regulated industries counts on Smarsh every day to help them spot compliance, legal or reputational risks in 80+ communication channels before those risks become regulatory fines or headlines.  Relentless innovation […]

Source:
Senior Level SEO Jobs – SEOjobs.com

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