Ethan Lazuk

SEO & marketing professional.


🐹 Hamsterdam Part 126: Weekly SEO & AI News Recap (11/29 to 12/4, 2025)

By Ethan Lazuk

Last updated:

A weekly look-back at SEO & AI news, tips, and other content shared on social media & beyond.

Hamsterdam Part 126 SEO News Summary

Opening notes, thoughts, and musings:

  • Welcome to another new week of Hamsterdam! 🐹
  • I appreciate you being here, and look forward to sharing the week’s news! 🙌

If you’re in a rush, hop down to the news portion. 📰

Or continue reading for two vocabulary lessons plus an introduction.

The Big Lebowski is this your homework Larry screenshot.

And we’re off …


🧑‍💻 Marketing word of the week: “Earned media”

Earned media is publicity you don’t pay for, such as mentions, shares, reviews, or press coverage that happens naturally because people like your brand.

Earned media happens because other people choose to talk about you. Maybe it’s a blogger who reviews your product or a post on TikTok someone does because they like your brand. Or maybe it’s a recommendation on Reddit or Quora.

Earned media has become particularly important because of AI search visibility. LLM-powered search pulls from multiple sources. Earned media provides third-party validation, or evidence of credibility, that is much stronger than what you say about yourself. This directly supports EEAT signals.


🤖 AI word of the week: “Encoder”

In transformer models like those Google and ChatGPT use, an encoder is the component that takes raw input, like text, images, or other data, and turns it into a meaningful numerical representation the model can understand.

The encoder reads your content, analyzes its meaning, compresses it into embeddings, and sends that to the AI so it can make sense of it. In a transformer, the encoder does things like identify the topic, understand relationships between words, detect tone and intent, understand entities, evaluate expertise signals, and resolve context.

Encoders read your content like a human would. They analyze meaning, context, relationships, expertise, sentiment, and how your content is truly helpful. What matters to be successful is clear writing in a helpful tone with depth and experience in well-organized sections with real-world examples. In other words, great writing.


😊 Introduction to week 126: “Moving to NYC”

This rendition of Hamsterdam is being published a day early because I’ll be traveling to NYC, my new home.

I’ve lived in Florida for the past decade or so and enjoyed my time, especially here lately in Orlando.

I went to NYC for the US Search Awards earlier this year and fell in love with the city, hence, it’ll be my new stomping grounds starting next week.

Look forward to pictures from my new adventure! And if you’re in NYC or the surrounding areas, let’s make sure to connect!

Thank you for supporting Hamsterdam and the cause of SEO & AI learning. 🙏

Enjoy the vibes:

Missed last week? Don’t worry, I got you! Read Part 125 to catch up.

🌟 Other great sources of weekly SEO news:


Time for our weekly review of SEO social posts, articles, & more …

The Wire Hamsterdam screenshot for setting up inside the white flags.

Now, let’s step inside the white flags of Hamsterdam …

Jump to a section:

Or keep scrolling to see it all. ⏬

📰 SEO news, Google updates, SERP tests & notable posts

Notable updates or news related to Google Search or related SEO topics.

Google tests hover over link cards in AI Mode, inline http://www.seroundtable.com/google-ai-mo… via @serpalert.bsky.social #google #googleaimode

Barry Schwartz (@rustybrick.com) 2025-12-01T12:21:09.599Z

22 years – that is how long I've been covering the search space. Over 48,175 stories in total. Here is my massive 22nd year anniversary story where I cover the analytics, most important stories over the year, SER history & forward 2026 thoughts http://www.seroundtable.com/22-years-old… #anniversary

Barry Schwartz (@rustybrick.com) 2025-12-02T13:01:03.829Z

Google Search bar upload image/file button takes you directly to AI Mode and skips image search or Google Search http://www.seroundtable.com/google-searc… hat tip @b4k_khushal @shemiadhikarath @serpalert.bsky.social #google #googleaimode

Barry Schwartz (@rustybrick.com) 2025-12-03T12:31:13.196Z

Google Discover gains AI Mode links, summarize, follow up and dive deeper with AI Mode http://www.seroundtable.com/google-disco… #googlediscover #googleaimode #google

Barry Schwartz (@rustybrick.com) 2025-12-04T12:31:03.065Z

Bing testing more advanced search tools http://www.seroundtable.com/bing-tests-n… via @oncescuradu.bsky.social here is before/after#bing #microsoft

Barry Schwartz (@rustybrick.com) 2025-12-04T12:12:01.240Z

Streamline your Search Console analysis with the new AI-powered configurationdevelopers.google.com/search/blog/…

Motoko (@motoko-ajpr.bsky.social) 2025-12-04T14:17:44.674Z

🍟 SEO tips & tidbits

Actionable tips, cool tidbits, and other snackable findings and observations that can be teaching moments.

Google's @johnmu.com says a 100MB video file on your home page won't have a noticeable SEO effect on your site http://www.seroundtable.com/google-seo-v…#google #video #seo

Barry Schwartz (@rustybrick.com) 2025-12-02T12:31:04.956Z

Google now removed the LLMs.txt file – it 404s – story updated at http://www.seroundtable.com/google-adds-…

Barry Schwartz (@rustybrick.com) 2025-12-03T18:53:45.401Z

Hard to say anything based on the screenshot :). Do you have a confirmation from any LLM provider that this is needed?

John Mueller (@johnmu.com) 2025-12-03T16:27:29.958Z
Regarding separate markdown for LLMs.

🦕 SEO (and AI) fundamentals & resources

Essential information, concepts, or resources to learn about SEO or AI

📚 Articles, videos, case studies & more

Longer-form content pieces shared on social, in newsletters, and elsewhere.

Are you translating content and using hreflang? You should check out my latest post -> AI Search, hreflang, and translated content. How do ChatGPT, Perplexity, Gemini, Copilot, and Claude handle multilingual queries?

Glenn Gabe (@glenngabe.bsky.social) 2025-12-01T14:18:15.208Z

NEW post: sparktoro.com/blog/the-7-m…Buyer journeys on the web moved from the familiar, funnel-shaped process to a pinball-machine-shaped one… And us marketers are facing 7 problems as a result. My latest #5MinuteWhiteboard 👇

Rand Fishkin (@randfish.bsky.social) 2025-12-01T17:36:09.002Z

The Internet Archive's new WordPress plugin enables websites to benefit from the Wayback Machine automatically. via @martinibuster.bsky.social#wpnews #WordPress

Search Engine Journal (@sejournal.bsky.social) 2025-12-04T10:20:40+00:00

🧑‍💻 Technical SEO

Everything from basics to advanced moves (and also tools).

✍️ Content marketing

From what is helpful content to user journeys and beyond.

>> Check back next week!

📍 Local SEO

From Google Business Profiles to reviews and more!

📊 Data analysis & reporting

Showing that what you’re doing is helping.

Google Search Console's new custom annotations didn't originally allow for recent or future dates but today it does! http://www.seroundtable.com/google-searc… #googlesearchconsole

Barry Schwartz (@rustybrick.com) 2025-12-01T12:41:15.559Z

🤖 AI, machine learning, & LLMs

News related to models, papers, and companies.

Google is working on a big update to the Gemini UX, it is calling 2.0 http://www.seroundtable.com/google-new-g… via @officiallogank.bsky.social #gemini #google

Barry Schwartz (@rustybrick.com) 2025-12-01T12:51:02.953Z

🤔 General marketing & miscellaneous

This is for great content that isn’t necessarily SEO or marketing-specific. PPC, PR, dev, design, and social friends, check it out!

💎 Older stuff that’s good!

Not everything I find worth sharing is new as of this week, so these are gems I came across published in the past.

Great job making it to the end. You rock! 🪨

Let’s connect!

Hit me up anytime via text or call at 813-557-9745 or on social or email:

Cheers! ✌️


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