Dan Petrovic
@dejanseo.bsky.social
I do machine learning and SEO.
Director of DEJAN | https://dejan.ai/
Director of DEJAN | https://dejan.ai/
Tool: compressor.dejan.ai
Use: Enter URL to get 5 levels of semantic content compression.
Use: Enter URL to get 5 levels of semantic content compression.
November 9, 2025 at 10:15 AM
Tool: compressor.dejan.ai
Use: Enter URL to get 5 levels of semantic content compression.
Use: Enter URL to get 5 levels of semantic content compression.
How much of your content survives the AI Search filter?
Article: dejan.ai/blog/ai-sear...
Article: dejan.ai/blog/ai-sear...
November 7, 2025 at 3:42 PM
How much of your content survives the AI Search filter?
Article: dejan.ai/blog/ai-sear...
Article: dejan.ai/blog/ai-sear...
Curious about how AI Mode gets page content?
Article: dejan.ai/blog/browsin...
Google’s AI Mode has two modes of extracting information from the page: browsing and content_fetcher
Article: dejan.ai/blog/browsin...
Google’s AI Mode has two modes of extracting information from the page: browsing and content_fetcher
Browsing vs Content Fetcher
Google’s AI Mode has two modes of extracting information from the page: browsing and content_fetcher The core difference lies in their input requirements and how they are intended to operate within a...
dejan.ai
November 7, 2025 at 2:36 PM
Curious about how AI Mode gets page content?
Article: dejan.ai/blog/browsin...
Google’s AI Mode has two modes of extracting information from the page: browsing and content_fetcher
Article: dejan.ai/blog/browsin...
Google’s AI Mode has two modes of extracting information from the page: browsing and content_fetcher
Thanks Brisbane!
Next stop, Amsterdam.
Next stop, Amsterdam.
October 17, 2025 at 7:31 AM
Thanks Brisbane!
Next stop, Amsterdam.
Next stop, Amsterdam.
"In this session Dan will pop-up the bonnet and reveal the very engine that drives his AI optimization workflow. Get ready for an unprecedented level of both strategic and practical advice."
register.spotlightconf.com/2025/begin?c...
register.spotlightconf.com/2025/begin?c...
October 16, 2025 at 4:17 AM
"In this session Dan will pop-up the bonnet and reveal the very engine that drives his AI optimization workflow. Get ready for an unprecedented level of both strategic and practical advice."
register.spotlightconf.com/2025/begin?c...
register.spotlightconf.com/2025/begin?c...
I keep losing track of our tools and demos so I made a list: dejan.ai/tool/
October 5, 2025 at 1:21 PM
I keep losing track of our tools and demos so I made a list: dejan.ai/tool/
If your page was one of the search results supplied to Google’s AI, would it be selected as one of the grounding sources in its final response? dejan.ai/brand-releva...
October 5, 2025 at 8:33 AM
If your page was one of the search results supplied to Google’s AI, would it be selected as one of the grounding sources in its final response? dejan.ai/brand-releva...
My thoughts about a fair and healthy web content ecosystem where publishers get micropayments when AI grounds its responses in their content.
dejan.ai/blog/caps/
dejan.ai/blog/caps/
CAPS: A Content Attribution Payment Scheme for the AI Era
The Problem: A Broken Content Ecosystem We’re watching the collapse of the web’s economic model in real-time, and everyone knows it. AI assistants have fundamentally changed how people consume informa...
dejan.ai
September 30, 2025 at 1:40 PM
My thoughts about a fair and healthy web content ecosystem where publishers get micropayments when AI grounds its responses in their content.
dejan.ai/blog/caps/
dejan.ai/blog/caps/
If you do this. Check your site. Check search results. Take action. A common artifact reveals thousands of websites which use AI content derived from other content sources through search and tools: dejan.ai/blog/ai-reve...
Using GPT-5 Structured Output Markers to Detect AI-Generated Content Online
When you populate your website with language model–generated text, you inherit a subtle but real risk: AI-specific artifacts may leak into the published content. These markers aren’t always obvious to...
dejan.ai
September 27, 2025 at 11:09 AM
If you do this. Check your site. Check search results. Take action. A common artifact reveals thousands of websites which use AI content derived from other content sources through search and tools: dejan.ai/blog/ai-reve...
A paper Why Language Models Hallucinate (Kalai, Nachum, Vempala, Zhang, 2025) shows that LLMs inevitably hallucinate due to statistical limits and evaluation incentives. Without grounding in real retrieval systems, they cannot provide reliable search.
dejan.ai/blog/llm-is-...
dejan.ai/blog/llm-is-...
LLM is a Presentation Layer in AI Search
Classic IR: crawl, index, retrieve, rank remain with search engines. There is a persistent myth that large language models (LLMs) have fundamentally replaced search. In truth, LLMs do not crawl the we...
dejan.ai
September 21, 2025 at 6:49 AM
A paper Why Language Models Hallucinate (Kalai, Nachum, Vempala, Zhang, 2025) shows that LLMs inevitably hallucinate due to statistical limits and evaluation incentives. Without grounding in real retrieval systems, they cannot provide reliable search.
dejan.ai/blog/llm-is-...
dejan.ai/blog/llm-is-...
Citation Mining for AI SEO 👉 cm.dejan.ai
At DEJAN AI this represents a single step in a complex citation mining pipeline which involves GSC API, query intent classification, synthetic query and fanout generation, prompt generation, citation target text retrieval, NLP and semantic matching.
At DEJAN AI this represents a single step in a complex citation mining pipeline which involves GSC API, query intent classification, synthetic query and fanout generation, prompt generation, citation target text retrieval, NLP and semantic matching.
September 20, 2025 at 2:36 PM
Citation Mining for AI SEO 👉 cm.dejan.ai
At DEJAN AI this represents a single step in a complex citation mining pipeline which involves GSC API, query intent classification, synthetic query and fanout generation, prompt generation, citation target text retrieval, NLP and semantic matching.
At DEJAN AI this represents a single step in a complex citation mining pipeline which involves GSC API, query intent classification, synthetic query and fanout generation, prompt generation, citation target text retrieval, NLP and semantic matching.
What a great day for a Gen AI Search industry! Google's DeepMind team has just released EmbeddingGemma. The most powerful embedding model with direct lineage to Gemini technology which powers Google's AI Search:
dejan.ai/blog/embeddi...
dejan.ai/blog/embeddi...
EmbeddingGemma: The Game-Changing Model Every SEO Professional Needs to Know
Why Google’s Latest Embedding Model Could Reshape Search Understanding In the business of Gen AI search optimization, staying ahead means understanding the underlying technologies that power modern se...
dejan.ai
September 4, 2025 at 10:42 PM
What a great day for a Gen AI Search industry! Google's DeepMind team has just released EmbeddingGemma. The most powerful embedding model with direct lineage to Gemini technology which powers Google's AI Search:
dejan.ai/blog/embeddi...
dejan.ai/blog/embeddi...
Internally we use terms like SR (Selection Rate) and PB (Primary Bias) in the context of AI Search optimization. What do they mean? Take a look because these things really are a big deal: dejan.ai/blog/sr/
Primary Bias on Selection Rate in AI Search
What is Selection Rate? Selection Rate (SR) is a key performance metric for AI systems that measures the frequency with which an AI selects and incorporates a specific item from a total set of groundi...
dejan.ai
September 4, 2025 at 12:34 PM
Internally we use terms like SR (Selection Rate) and PB (Primary Bias) in the context of AI Search optimization. What do they mean? Take a look because these things really are a big deal: dejan.ai/blog/sr/
Update: Brand FAQs added to our AI sentiment tool: reviews.dejan.ai
September 4, 2025 at 9:48 AM
Update: Brand FAQs added to our AI sentiment tool: reviews.dejan.ai
Want this?
We're looking for AI Search Optimization pioneers to provide feedback. Early Access Request: dejan.ai/engage/?feat...
We're looking for AI Search Optimization pioneers to provide feedback. Early Access Request: dejan.ai/engage/?feat...
September 2, 2025 at 10:21 PM
Want this?
We're looking for AI Search Optimization pioneers to provide feedback. Early Access Request: dejan.ai/engage/?feat...
We're looking for AI Search Optimization pioneers to provide feedback. Early Access Request: dejan.ai/engage/?feat...
The Latent History of AI Boom
dejan.ai/blog/ai-boom/
dejan.ai/blog/ai-boom/
The Latent History of AI Boom
This is the story of how AI transitioned from niche to mainstream and the pieces that fell into place to make that happen. Picture this. It’s 2017, we’re in the era dominated by Recurrent Neural Netwo...
dejan.ai
September 1, 2025 at 11:40 AM
The Latent History of AI Boom
dejan.ai/blog/ai-boom/
dejan.ai/blog/ai-boom/
Something Joshua Squires discovered about AI Overviews but didn't get enough attention. Here's my theory: dejan.ai/blog/ai-over...
AI Overviews = Dialogflow Agent?
Joshua Squires shared one of the most interesting AI Overview leaks and for some reason it was mostly ignored by the SEO industry. I’d like to draw your attention to it today because it provides two k...
dejan.ai
August 31, 2025 at 4:34 AM
Something Joshua Squires discovered about AI Overviews but didn't get enough attention. Here's my theory: dejan.ai/blog/ai-over...
Look at me predicting monthly search volumes for ~700,000 fan-out queries for one of my clients. No SaaS, no APIs. A custom model I trained for them on their own GSC data. This is absolutely delightful stuff! ✨
August 29, 2025 at 3:54 PM
Look at me predicting monthly search volumes for ~700,000 fan-out queries for one of my clients. No SaaS, no APIs. A custom model I trained for them on their own GSC data. This is absolutely delightful stuff! ✨
Are you engaging with comment bots without realising?
Here's a helpful AI detection guide: dejan.ai/blog/comment...
Here's a helpful AI detection guide: dejan.ai/blog/comment...
Comprehensive Guide to Identifying AI Comment Bots
Some people use AI to speed up the process of getting their ideas and message out. Others use it to polish up their language which I think is really cool use of AI, especially if they’re not a native ...
dejan.ai
August 28, 2025 at 4:49 AM
Are you engaging with comment bots without realising?
Here's a helpful AI detection guide: dejan.ai/blog/comment...
Here's a helpful AI detection guide: dejan.ai/blog/comment...
Chrome is now *loaded* with AI features and models.
Here's my reference list: dejan.ai/blog/chrome-...
Here's my reference list: dejan.ai/blog/chrome-...
Chrome AI Frameworks & Models
Chrome’s AI-driven segmentation platform enhances user experiences by predicting behaviours and tailoring features accordingly. Explore the different models that power these optimizations and how they...
dejan.ai
August 27, 2025 at 9:55 AM
Chrome is now *loaded* with AI features and models.
Here's my reference list: dejan.ai/blog/chrome-...
Here's my reference list: dejan.ai/blog/chrome-...
Everything SEO people love these days, chunking, vectors and more: dejan.ai/blog/inside-...
Inside Chrome’s Semantic Engine: A Technical Analysis of History Embeddings
I decoded Chrome’s internal semantic search, found the exact chunking mechanism, embedding logic and am now able to browse, search and cluster my own search history through decoded vector embeddings. ...
dejan.ai
August 21, 2025 at 12:45 AM
Everything SEO people love these days, chunking, vectors and more: dejan.ai/blog/inside-...
What a fascinating way to get an idea what Google "thinks" you do based on what it has on you. Based on the "About" snippet I think I should stop releasing random tools and start promoting the fact I run a commercial AI Search agency with paying clients.
August 19, 2025 at 3:38 AM
What a fascinating way to get an idea what Google "thinks" you do based on what it has on you. Based on the "About" snippet I think I should stop releasing random tools and start promoting the fact I run a commercial AI Search agency with paying clients.