Build Power BI Columns That Adapt to Each User
Originally published at https://shai-kr.github.io/data-ninja-ai-lab/blog/2026-05-28-user-aware-calculated-columns-power-bi.html . Power BI calculated …
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Why Analytics Is Product Infrastructure
Analytics is often treated as a reporting feature: a dashboard added after the product already exists. That is usually too late. For software operator…
I Tracked Revenue Per User for 6 Months — Here's Why ARPU Beats ARPPU for Channel Decisions 2026
For a while I looked at "average order value" and called it my per-user revenue. It felt close enough. It wasn't — because AOV is per order, not per p…
Designing Website Analytics for AI Crawlers Without Surveillance
tags: seo, analytics, webdev, ai Most website analytics still start from the same old question: who visited the site? That question is useful, but it …
Как и зачем мы писали семантический слой для ИИ аналитики – SLayer
Казалось бы, что может быть проще: даёшь LLM доступ к БД и просишь написать тебе нужный SQL! Но на практике и ИИ, и человек быстро сталкиваются с один…
Sustainable AI Starts with Efficient AI
AI is no longer a side experiment. It is already part of products, workflows, and day-to-day operations. So the question is not whether companies shou…
Migrating off Google Analytics: Umami vs Plausible vs Fathom
I've been on a slow march away from Google Analytics for about two years now. Three client projects, one personal blog, and a small SaaS — all moved o…
I Thought “Data Analyst” Was the Whole Game… Then I Entered the Data Avengers Office 👀
🏢 I Landed an Internship at a Futuristic Tech Company — And Met the Entire Data Universe Glass walls. Floating screens. Coffee machines that probably …
# Mitigating Market Inefficiency in eSports: A Stochastic Approach to EA Sports FC25 Modeling
### By Bettrails Data Lab *Technical Classification: Data Science / Predictive Modeling / Sports Analytics* — - Abstract This paper outlines the analy…
Day 14 — 184 reader, 3:21 avg read time, 0 new followers, 0 sales
I finally opened the dev.to analytics tab. Here's what 7 days of writing actually looks like. Metric (last 7 days) Number Readers 184 Average read tim…
Stop Mixing Them Up: SLI vs SLO vs SLA Explained
I used these three terms interchangeably, and many people around me did the same. One day, I decided to sit down and properly understand the differenc…
I built web analytics with no dashboard, only an MCP
A while back I built an analytics tool. It had two ideas: it was cheap, and it sent you an AI summary every Sunday. Turns out cheap made no difference…
10 AOV Uplift Levers Each Have a Hidden Cost — Map the Risks Before You Ship
"We launched every AOV uplift lever we could find. AOV is up — but monthly revenue is flat, or slightly down year over year." This is one of the most …
Eight window-function tricks beyond LAG and ROW_NUMBER
The first post in this series got more reader response than I expected. The comments were full of practical follow-up questions and a few good correct…
30 CVR Improvement Checks for EC Sites — Where to Start When Sales Don't Move
"Ad sessions keep coming in, but purchases are not growing." "Add-to-cart looks fine, but checkout drops off." Every EC operator hits this wall, and t…
How We Keep Mobile Session Replay 17x Cheaper Than PostHog
How We Keep Mobile Session Replay 17× Cheaper Than PostHog PostHog bills around $85/month for 25,000 sessions . Rejourney bills $5/month . At higher v…
What channel are Email and SMS in GA4 — Google's official spec has the answer
Have you ever sent a newsletter campaign, checked GA4 the next morning, and found that none of the traffic landed under the Email channel? Or wondered…
Why I Built a Standalone 10M-Row BI Agent in Next.js & DuckDB
Traditional Business Intelligence tools rely on slow client-server queries that buckle under massive datasets. When dealing with 10,000,000+ records ,…
What goes into utm_source for TikTok and LinkedIn Ads — Google's official list has only 5 rows
"We tag TikTok Ads with utm_source=tiktok-ads . It's clearly an ad, right?" If that's been your team's convention, GA4 has been silently dropping your…
What goes into utm_medium for Meta Ads — the GA4 regex that decides Paid Social vs Organic Social
"We tag Meta Ads with utm_medium=social . It's a social platform, right?" If that's been your team's convention, GA4 has been silently logging your pa…
I scraped every **Show HN** post from May 2025 to May 2026 that crossed **200 points** and ran a quick analysis. There were 334 of them. Here is what landed.
Top 15 Show HN posts of the year Rank Points Comments Title 1 3346 965 Gemini Pro 3 imagines the HN front page 10 years from now 2 1557 363 Jmail – Go…
Introducing Solana Support, Smarter Ask AI, Mobile Attribution, and Dashboard Improvements
gm, builders! 👋 Here’s your roundup of April 2026's onchain news and growth insights. Highlights Historical Wallet Data, Solana Support, and Mobile Li…
Bounce Rate vs Exit Rate — What Each One Actually Counts in GA4
"Bounce Rate is high, that's a problem, right?" "What's the difference between Bounce Rate and Exit Rate?" These are the two metrics most often confus…
GA4 Events vs Sessions — What Each One Counts and Why They Differ
"What is the GA4 event count?" "How is it different from the session count?" These are the most common mix-ups I hear from people starting with GA4. B…
Six SQL patterns I use to catch transaction fraud
Quick disclaimer: I do data work on a program-integrity team. Examples below use generic transaction tables and made-up scenarios. Nothing here comes …
Building CPAi: An AI-Powered Bank Statement Analysis Dashboard
Manually reviewing bank statements to assess creditworthiness is one of those tasks that sounds simple until you realize there are dozens of bank form…
How to Build a Data Analytics Platform: Best Practices
Data has become one of the most powerful drivers of business success. However, managing data remains a significant challenge. Organizations require re…
Sessions vs Page Views vs Users — What Each One Actually Counts
"Sessions are the number of visitors, right?" "Page views are high, so traffic is healthy." These are the most common mix-ups I hear from people start…
Most Internal Dashboards Should Not Start With Real-Time Queries
One sentence shows up in internal-system projects again and again: “leadership wants real-time data.” I usually slow the discussion down when I hear t…
People were exporting data just to trust it
The system already had dashboards. Still, employees exported everything to Excel before making decisions. Not because Excel was better. Because they t…