Here's a polished headline + outline you can use:

📰 Black Friday: Google Core Update, Personalized Google Search, Google Ads — Key Changes You Need to Know
🚀 Summary
This Black Friday season comes with major shifts in Google's ecosystem:
✅ New Google Core Update rolling out
✅ More personalized Google Search results
✅ Google Ads algorithm tweaks
✅ Impacts on eCommerce, SEO, and paid campaigns

1️⃣ Google Core Update (Pre-Black Friday Impact)
Focused on helpful content, E-E-A-T

Big volatility in rankings for affiliate and review sites

E-commerce brands seeing movement in:

Product category pages

Review content

Blog-driven traffic

2️⃣ Personalized Google Search — What's New?
Search results now more user behavior-based

Past searches, location, engagement impacting rankings

Product recommendations getting more personalized

For eCommerce: Optimize for repeat visitors & logged-in users

3️⃣ Google Ads Algorithm Changes
Smart Bidding updates prioritize conversion value

AI-driven Performance Max campaigns are showing:

Higher CTR, but more expensive top-of-funnel traffic

Lower ROAS on non-optimized feeds

Action: Update product feeds, optimize creative before Black Friday push

4️⃣ Black Friday Best Practices (2025 Update)
✅ Diversify traffic: SEO + Ads + Email + SMS
✅ Focus on mobile-first — >65% Black Friday traffic will be mobile
✅ Improve site speed (especially on WooCommerce & Shopify)
✅ Use social proof (live sales notifications, review stars) to combat algorithm shifts

Final Takeaway
The landscape is shifting:
AI + personalization + Google Core Updates → brands need smarter SEO + better ads + higher trust signals to win this Black Friday.