Samy Thuillier, SEO Expert & AI SEO StrategistArticles by Samy Thuillier
Page 2 of 6. Background, expertise and contact details are on Samy Thuillier’s author page.
- Lightweight Analytics: 11 Scripts Measured and How to Choose· 11 min read
We measured 11 analytics scripts on the same day, from Plausible and Umami to GA4. Here is what makes a tool light, which one fits your site, and what a small script still cannot tell you.
- Lead Value Calculator: What a Lead Is Worth and What to Pay· 11 min read
Enter your close rates, deal value and margin to see what a lead is worth, what a qualified lead is worth and your break-even cost per lead.
- IP Anonymization: How It Works, GA4 Behavior and Log Setup· 12 min read
What IP anonymization does to an address, why GA4 needs no setting, how to anonymize your own logs, and what it changes in analytics and conversion data.
- Gemini SEO: How to Get Cited by Gemini and Measure It· 13 min read
How the Gemini app, AI Overviews and AI Mode pick sources, the controls that decide where you appear, and how to measure Gemini traffic in conversions and revenue.
- GA4 Data Retention: Options, Limits and How to Keep Data Longer· 12 min read
What GA4's retention setting actually deletes, why key events follow user retention, the limits that override it, and how to keep conversion history past 14 months.
- Ecommerce Conversion Rate Benchmarks: Industry, Funnel and Shopify· 12 min read
Current ecommerce conversion rate benchmarks with sources: Shopify percentiles, industry, device, add-to-cart and checkout, plus why revenue per session is the fairer comparison.
- Cookie Banner Requirements: EU Opt-In, US Opt-Out, and How to Test· 14 min read
What a cookie banner must do in the EU, UK and US, where popular guides get the CCPA wrong, and how a compliant banner changes your conversion reports.
- Content Pruning: What to Cut, Merge or Keep (With a Template)· 12 min read
How to decide which pages to keep, update, merge, noindex or remove, with a copyable template, a worked example and the technical mistakes that undo a prune.
- Content Attribution: Models, GA4 Limits and a Per-Page Example· 13 min read
Most tools credit channels, not articles. Here is how to give each piece of content its share of conversions and revenue, with a worked example under four models.
- ChatGPT User Agent: Strings, IPs, Allow, Block and Verify· 11 min read
ChatGPT-User is the agent ChatGPT uses to open pages for its users. Here are the exact strings, how it differs from GPTBot and OAI-SearchBot, how agent mode signs its requests, and how to verify and measure it.
- What Is Conversion Tracking? How It Works, Setup and Examples· 13 min read
How conversion tracking works in Google Ads, Meta and GA4, how to set it up and test it, why platform numbers never agree, and how to track organic and AI conversions.
- Shopify Blog SEO: Rank Your Posts and Measure What They Sell· 16 min read
How to make Shopify blog posts rank and send readers to your products, with the platform details most guides skip and a method to measure revenue per post.
- SEO Experiment: How to Test Changes and Prove What Works· 12 min read
How to run an SEO experiment with a control group, measure the lift with real arithmetic, stay within Google's testing rules and judge the result on conversions, not just clicks.
- PerplexityBot: User Agents, IPs, robots.txt Rules and Log Checks· 12 min read
What PerplexityBot and Perplexity-User do, how to allow, block or verify them, the robots.txt mistake that opens private paths, and how to tell if access pays off.
- Offline Conversion Tracking: Setup, Upload Windows and an Example· 17 min read
How to send closed deals, calls and store sales back to Google Ads, Meta, Microsoft and GA4, value each stage, and cover organic and AI leads with no click ID.
- New vs Returning Visitors: GA4 Definitions, Ratios and Real Value· 12 min read
How GA4 decides who is new, why new and returning users never add up, why Safari inflates new visitors, and a worked example that turns the split into conversions and value.
- Netlify Analytics: What It Counts, What It Costs, What It Misses· 10 min read
What Netlify's server-side Web Analytics shows, what it costs on credit-based and legacy plans, why it never matches GA4, and how to get from visits to conversions.
- Local SEO Tracking: Rankings, Profile Actions and Lead Value· 12 min read
Track local SEO from map rankings to revenue: what to measure at each layer, the profile tag most businesses miss, Google's new GA4 link and a worked example.
- Lead Attribution: Models, Setup Fields and a Lead Value Example· 14 min read
How to capture first and latest touch on every lead, which model to use, and how to turn lead sources into qualified leads, revenue and value per lead.
- Landing Page Optimization for SEO: Rank the Page, Then Make It Pay· 14 min read
How to make a landing page rank for one query and convert the visitors it brings, with a worked example on when to fix rankings versus conversions.