Marek Lecián
@mareklecian.bsky.social
Web & data #Analyst | #OnlineMarketing Geek | Freelancer 🇨🇿 🇪🇺
#measure #GA4 #GTM #sGTM #PiwikPro
The questions may not make sense, but the answers do.
I write posts in two languages English and Czech.
linkedin.com/in/mareklecian/
#measure #GA4 #GTM #sGTM #PiwikPro
The questions may not make sense, but the answers do.
I write posts in two languages English and Czech.
linkedin.com/in/mareklecian/
New article! #GA4 #GTM
I wrote a guide on how to measure citations from Google AI mode and #AIOverviews.
💡Why would you want to do this?
The measured data contains texts cited by AI on your website, which can be used to optimize #SEO / #GEO, etc.
mareklecian.cz/en/ga4-guide...
I wrote a guide on how to measure citations from Google AI mode and #AIOverviews.
💡Why would you want to do this?
The measured data contains texts cited by AI on your website, which can be used to optimize #SEO / #GEO, etc.
mareklecian.cz/en/ga4-guide...
GA4 Guide - Measuring citations from Google Ai overviews and AI mode » Marek Lecián
So let’s break down what’s actually happening, why you should care, and how you can measure it in GA4.
mareklecian.cz
October 27, 2025 at 7:23 AM
New article! #GA4 #GTM
I wrote a guide on how to measure citations from Google AI mode and #AIOverviews.
💡Why would you want to do this?
The measured data contains texts cited by AI on your website, which can be used to optimize #SEO / #GEO, etc.
mareklecian.cz/en/ga4-guide...
I wrote a guide on how to measure citations from Google AI mode and #AIOverviews.
💡Why would you want to do this?
The measured data contains texts cited by AI on your website, which can be used to optimize #SEO / #GEO, etc.
mareklecian.cz/en/ga4-guide...
Official OpenAI post about GPT-5 openai.com/index/introd...
Introducing GPT-5
Our smartest, fastest, most useful model yet, with built-in thinking that puts expert-level intelligence in everyone’s hands.
openai.com
August 7, 2025 at 6:05 PM
Official OpenAI post about GPT-5 openai.com/index/introd...
Google Gemini vulnerability, where all you need to do is send an email with hidden text to the owner with Gemini enabled in their workspace, and the user doesn't even have to open it for the attacker to run scripts via Gemini that read such an email.
0din.ai/blog/phishin...
0din.ai/blog/phishin...
Phishing For Gemini
A researcher that submitted to 0DIN demonstrated a prompt-injection vulnerability in Google Gemini for Workspace that allows a threat-actor to hide malicious instructions inside an email. When the rec...
0din.ai
July 27, 2025 at 7:37 AM
Google Gemini vulnerability, where all you need to do is send an email with hidden text to the owner with Gemini enabled in their workspace, and the user doesn't even have to open it for the attacker to run scripts via Gemini that read such an email.
0din.ai/blog/phishin...
0din.ai/blog/phishin...
🚀Google Analytics now ships default Lead Acquisition reports. Populate them by sending the new lead-gen events:
- generate_lead
- qualify_lead
- disqualify_lead
- working_lead
- close_convert_lead
- close_unconvert_lead
via Measurement Protocol or CSV import. #GA4
support.google.com/analytics/an...
- generate_lead
- qualify_lead
- disqualify_lead
- working_lead
- close_convert_lead
- close_unconvert_lead
via Measurement Protocol or CSV import. #GA4
support.google.com/analytics/an...
July 22, 2025 at 6:28 AM
🚀Google Analytics now ships default Lead Acquisition reports. Populate them by sending the new lead-gen events:
- generate_lead
- qualify_lead
- disqualify_lead
- working_lead
- close_convert_lead
- close_unconvert_lead
via Measurement Protocol or CSV import. #GA4
support.google.com/analytics/an...
- generate_lead
- qualify_lead
- disqualify_lead
- working_lead
- close_convert_lead
- close_unconvert_lead
via Measurement Protocol or CSV import. #GA4
support.google.com/analytics/an...
#GA4 #update
Import cost data from Reddit Ads.
This won't be for many people, but I believe it will make a few people happy.
support.google.com/analytics/an...
Import cost data from Reddit Ads.
This won't be for many people, but I believe it will make a few people happy.
support.google.com/analytics/an...
July 21, 2025 at 7:27 PM
#GA4 #update
Import cost data from Reddit Ads.
This won't be for many people, but I believe it will make a few people happy.
support.google.com/analytics/an...
Import cost data from Reddit Ads.
This won't be for many people, but I believe it will make a few people happy.
support.google.com/analytics/an...
Nový článek: Připravíte AI agentům bezbariérový vchod a nebo je pošlete ke konkurenci? #SEO #AI #agents #Accessibility
mareklecian.cz/pripravite-a...
mareklecian.cz/pripravite-a...
Připravíte AI agentům bezbariérový vchod a nebo je pošlete ke konkurenci? » Marek Lecián
Možná si říkáte, že přístupnost je noblesa pro nevidomé a do marketingové KPIs se nevejde.
mareklecian.cz
July 19, 2025 at 4:08 PM
Nový článek: Připravíte AI agentům bezbariérový vchod a nebo je pošlete ke konkurenci? #SEO #AI #agents #Accessibility
mareklecian.cz/pripravite-a...
mareklecian.cz/pripravite-a...
My New Article: AI-First Accessibility: Turn Legal Pressure into a Competitive Edge
mareklecian.cz/en/ai-first-...
#SEO #AI #agents #Accessibility
mareklecian.cz/en/ai-first-...
#SEO #AI #agents #Accessibility
AI-First Accessibility: Turn Legal Pressure into a Competitive Edge » Marek Lecián
You might be thinking that accessibility is a noble gesture for blind users and has no place in marketing KPIs.
mareklecian.cz
July 19, 2025 at 4:06 PM
My New Article: AI-First Accessibility: Turn Legal Pressure into a Competitive Edge
mareklecian.cz/en/ai-first-...
#SEO #AI #agents #Accessibility
mareklecian.cz/en/ai-first-...
#SEO #AI #agents #Accessibility
#AI OpenAI Operator 2.0.
In the normal chat interface, you put /agent and in the chat the agent will launch its own browsers and handle live stuff on the internet.
Multiply smarter etc.
Plus - 40 queries per month
In EU you will need to use VPN
openai.com/index/introd...
In the normal chat interface, you put /agent and in the chat the agent will launch its own browsers and handle live stuff on the internet.
Multiply smarter etc.
Plus - 40 queries per month
In EU you will need to use VPN
openai.com/index/introd...
Introducing ChatGPT agent: bridging research and action
ChatGPT now thinks and acts, proactively choosing from a toolbox of agentic skills to complete tasks for you using its own computer.
openai.com
July 17, 2025 at 5:40 PM
#AI OpenAI Operator 2.0.
In the normal chat interface, you put /agent and in the chat the agent will launch its own browsers and handle live stuff on the internet.
Multiply smarter etc.
Plus - 40 queries per month
In EU you will need to use VPN
openai.com/index/introd...
In the normal chat interface, you put /agent and in the chat the agent will launch its own browsers and handle live stuff on the internet.
Multiply smarter etc.
Plus - 40 queries per month
In EU you will need to use VPN
openai.com/index/introd...
#MCP server for #GA4
Server that you connect to LLM and then you can talk about your data in GA4 and it will pull everything you need from GA4 servers.
Cool stuff for me and I'm pretty excited, finally this could be a usable AI analytics tool for GA4.
github.com/googleanalyt...
Server that you connect to LLM and then you can talk about your data in GA4 and it will pull everything you need from GA4 servers.
Cool stuff for me and I'm pretty excited, finally this could be a usable AI analytics tool for GA4.
github.com/googleanalyt...
GitHub - googleanalytics/google-analytics-mcp
Contribute to googleanalytics/google-analytics-mcp development by creating an account on GitHub.
github.com
July 17, 2025 at 5:10 PM
#MCP server for #GA4
Server that you connect to LLM and then you can talk about your data in GA4 and it will pull everything you need from GA4 servers.
Cool stuff for me and I'm pretty excited, finally this could be a usable AI analytics tool for GA4.
github.com/googleanalyt...
Server that you connect to LLM and then you can talk about your data in GA4 and it will pull everything you need from GA4 servers.
Cool stuff for me and I'm pretty excited, finally this could be a usable AI analytics tool for GA4.
github.com/googleanalyt...
July 15, 2025 at 6:11 PM
My new article: Do you use the word “ads” in your code? Get ready for an invisible website or part of it!
Article about which words to avoid and in which places, but you part of the site not blocked by AdBlockers.
mareklecian.cz/en/do-you-us...
Article about which words to avoid and in which places, but you part of the site not blocked by AdBlockers.
mareklecian.cz/en/do-you-us...
Do you use the word “ads” in your code? Get ready for an invisible website or part of it! » Marek Lecián
So if you want to keep your UX (and your sanity) intact, keep reading. Today I’ll show you why ad-blockers hunt anything that smells like advertising, where
mareklecian.cz
July 9, 2025 at 11:13 AM
My new article: Do you use the word “ads” in your code? Get ready for an invisible website or part of it!
Article about which words to avoid and in which places, but you part of the site not blocked by AdBlockers.
mareklecian.cz/en/do-you-us...
Article about which words to avoid and in which places, but you part of the site not blocked by AdBlockers.
mareklecian.cz/en/do-you-us...
Reposted by Marek Lecián
Piwik PRO announces the end of its FREE plan in December,
replaced by a supersized SME Business plan for 35 euros / month
A good move in my opinion.
Here my thoughts: www.linkedin.com/feed/update/...
replaced by a supersized SME Business plan for 35 euros / month
A good move in my opinion.
Here my thoughts: www.linkedin.com/feed/update/...
Piwik PRO announces the end of its FREE plan in December. | Mehdi Oudjida
Piwik PRO announces the end of its FREE plan in December.
It will be replaced by a paid Business plan with a 30-day free trial.
This marks a turning point for Piwik PRO, which is shifting its acquis...
www.linkedin.com
June 19, 2025 at 6:56 AM
Piwik PRO announces the end of its FREE plan in December,
replaced by a supersized SME Business plan for 35 euros / month
A good move in my opinion.
Here my thoughts: www.linkedin.com/feed/update/...
replaced by a supersized SME Business plan for 35 euros / month
A good move in my opinion.
Here my thoughts: www.linkedin.com/feed/update/...
Click-free shopping? AI agents change the rules of the game, will it kill advertising? Will it kill UX?
mareklecian.cz/en/click-fre...
mareklecian.cz/en/click-fre...
Click-free shopping? AI agents change the rules of the game, will it kill advertising? Will it kill UX? - Marek Lecián
People often underestimate that today’s “AI summaries” in search are only the gateway to a far deeper change: shopping and service management that will be handled for us by highly autonomous software ...
mareklecian.cz
June 22, 2025 at 10:32 AM
Click-free shopping? AI agents change the rules of the game, will it kill advertising? Will it kill UX?
mareklecian.cz/en/click-fre...
mareklecian.cz/en/click-fre...
Google AI Overviews and AI Mode: Top studies, analysis and recommendations (Update: 2025-06-22) (Live article, updated)
mareklecian.cz/en/google-ai...
mareklecian.cz/en/google-ai...
Google AI Overviews and AI Mode: Top studies, analysis and recommendations (Update: 2025-06-22) - Marek Lecián
A selection of the highest quality resources and studies on Google AI Overviews and AI Mode in Search. Find out their impact on SEO, website traffic and the future of organic results.
mareklecian.cz
June 22, 2025 at 10:31 AM
Google AI Overviews and AI Mode: Top studies, analysis and recommendations (Update: 2025-06-22) (Live article, updated)
mareklecian.cz/en/google-ai...
mareklecian.cz/en/google-ai...
I've kind of neglected it here, so a couple of articles I've written in the meantime.
The impact of Google AI Overview on the Internet’s digital ecosystem
mareklecian.cz/en/the-impac...
The impact of Google AI Overview on the Internet’s digital ecosystem
mareklecian.cz/en/the-impac...
The impact of Google AI Overview on the Internet's digital ecosystem - Marek Lecián
AI and SEO is a big topic for me personally, so I felt it was my duty to write this article. I’ll warn you in advance that the article is roughly 47 standard pages long. But I think it’s important, be...
mareklecian.cz
June 22, 2025 at 10:30 AM
I've kind of neglected it here, so a couple of articles I've written in the meantime.
The impact of Google AI Overview on the Internet’s digital ecosystem
mareklecian.cz/en/the-impac...
The impact of Google AI Overview on the Internet’s digital ecosystem
mareklecian.cz/en/the-impac...
April 23, 2025 at 6:54 AM
April 7, 2025 at 5:23 PM
How to create #GA4 traffic report from #AI tools. #PictureThis #guide
Is there a lot of traffic from AI? No
How is this AI traffic growing? Really fast. mareklecian.cz/en/how-to-cr...
Is there a lot of traffic from AI? No
How is this AI traffic growing? Really fast. mareklecian.cz/en/how-to-cr...
March 20, 2025 at 6:28 AM
How to create #GA4 traffic report from #AI tools. #PictureThis #guide
Is there a lot of traffic from AI? No
How is this AI traffic growing? Really fast. mareklecian.cz/en/how-to-cr...
Is there a lot of traffic from AI? No
How is this AI traffic growing? Really fast. mareklecian.cz/en/how-to-cr...
AI WOW super HYPE...
New image generator!!!
New video generator!!!
Will I use it? No.
Because I had no use for it before, now or probably in the future.
I like the cleverness, the precision, the vibe :) .
I don't even need to count the letters in words.
New image generator!!!
New video generator!!!
Will I use it? No.
Because I had no use for it before, now or probably in the future.
I like the cleverness, the precision, the vibe :) .
I don't even need to count the letters in words.
March 17, 2025 at 8:02 AM
AI WOW super HYPE...
New image generator!!!
New video generator!!!
Will I use it? No.
Because I had no use for it before, now or probably in the future.
I like the cleverness, the precision, the vibe :) .
I don't even need to count the letters in words.
New image generator!!!
New video generator!!!
Will I use it? No.
Because I had no use for it before, now or probably in the future.
I like the cleverness, the precision, the vibe :) .
I don't even need to count the letters in words.
Google Ads has had a global #outage with ad serving for the last few days. Some Google ads accounts have stopped serving ads since 1.3.2025.
The fault is not on your side .
P.S. If your PPC guy doesn't know, tell him not to worry :) . www.seroundtable.com/many-google-...
The fault is not on your side .
P.S. If your PPC guy doesn't know, tell him not to worry :) . www.seroundtable.com/many-google-...
March 3, 2025 at 6:18 AM
Google Ads has had a global #outage with ad serving for the last few days. Some Google ads accounts have stopped serving ads since 1.3.2025.
The fault is not on your side .
P.S. If your PPC guy doesn't know, tell him not to worry :) . www.seroundtable.com/many-google-...
The fault is not on your side .
P.S. If your PPC guy doesn't know, tell him not to worry :) . www.seroundtable.com/many-google-...
DeepSeek has made the API cheaper.
Let's just say you don't pay... with money.
Let's just say you don't pay... with money.
February 26, 2025 at 2:58 PM
DeepSeek has made the API cheaper.
Let's just say you don't pay... with money.
Let's just say you don't pay... with money.
Due to Musk's support of Russia, I will not report on anything he has created, including AI models.
February 18, 2025 at 6:41 AM
Due to Musk's support of Russia, I will not report on anything he has created, including AI models.
#GA4 New Beta feature, change alerts integrated directly into the chart and table interface. When clicked, this will create a segment with a slice of the data. This alert on is not in "Insights". So far, it found that I published an article :) .
February 17, 2025 at 8:56 AM
#GA4 New Beta feature, change alerts integrated directly into the chart and table interface. When clicked, this will create a segment with a slice of the data. This alert on is not in "Insights". So far, it found that I published an article :) .