CSS partners for Google Shopping: 20% off your CPCs
A CSS partner cuts your Google Shopping CPCs by around 20% at the same ad position. How the mechanism works, why I use Product Hero, and how you switch.
Ads for breakfast.
Opinions served warm.
I run Google Ads, landing pages and tracking for a small set of clients in the German market, mostly on my own. This is where I write down what actually worked, what quietly burned money, and the parts of the job nobody puts in a case study.
Most of these started as German posts on visnakovs.de. This is the English half.
Latest
More
How to calculate ROAS: the formula, break-even and why POAS matters
ROAS is one line of maths — it only becomes profit with POAS. Work out your break-even ROAS from your margin, then feed profit instead of revenue back to Google and Meta.
Performance Max: when it works — and when it doesn't
Performance Max promises results on autopilot. In practice that means little control and little data. When PMax genuinely works, and when you should stay away from it.
Consent Mode v2 setup: mandatory for your Google Ads data
Consent Mode v2 in three steps: pick a CMP, wire it into Google Tag Manager, test the consent status — so your Google Ads data doesn't quietly disappear.
Setting up the LinkedIn Insight Tag via GTM — step by step
How to set up the LinkedIn Insight Tag through Google Tag Manager: drop in your partner ID, then hang conversions off the triggers you already have — no developer needed.
Enhanced conversions: a setup guide for Google Ads and GTM
Setting up enhanced conversions in Google Ads and GTM: step by step, with SHA-256 hashing, the GDPR grey zone, and the website ping without which none of it works.
Bing conversion tracking: the UET tag, step by step
Set up Bing conversion tracking with the UET tag: the GTM build step by step, conversion goals in Microsoft Advertising, and how to reuse the Google setup you already have.
GA4 remarketing for Google Ads: wiring your audiences up properly
Build GA4 audiences from non-converters across 7- to 90-day windows, link Google Ads through Data Manager, and get every list to actually arrive in the ad account.
Meta Pixel setup: step by step with GTM and the Conversions API
How to set up the Meta Pixel through Google Tag Manager with the community template — plus the Conversions API, so adblockers and iOS stop eating your data.
Server-side tracking with GTM: what it does and when it pays
Server-side tracking with GTM explained: better data quality despite adblockers and ITP, Stape vs Taggrs vs your own server — and the budget at which the effort starts to pay off.