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Mack Grenfell
Mack Grenfell

505 Followers

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Published in

Towards Data Science

·Oct 27, 2021

Conversion Lift Tests are Dead; Transitioning to Geo-Experiments

This article was co-written with Leo Ubbiali, a marketing analyst at Babylon Health, specialising in the applications of econometrics and causal inference to marketing. The impact of iOS 14.5 There are already plenty of articles out there on the effects that iOS 14.5, and IDFA deprecation, have had on performance marketing. These are articles about…

Data Science

8 min read

Conversion Lift Tests are Dead; Transitioning to Geo-Experiments
Conversion Lift Tests are Dead; Transitioning to Geo-Experiments
Data Science

8 min read


Oct 15, 2021

What if Performance Advertising isn’t Just an Analytics Scam?

If you haven’t read Rand Fishkin’s What if Performance Advertising Is Just an Analytics Scam? then I’d highly recommend you do. It’s a near-perfect archetype of the sort of issues that get raised by someone who knows just enough about performance marketing to know the contentious areas, but not enough…

Advertising

10 min read

What if Performance Advertising isn’t Just an Analytics Scam?
What if Performance Advertising isn’t Just an Analytics Scam?
Advertising

10 min read


Published in

The Startup

·Oct 7, 2021

Building 2,000 Unique SEO Pages with GPT-3

When it comes to building pages to rank in organic search, you’re usually limited by one of a few factors. You might be limited by resource, in which case you can only afford to build pages for a few key terms. …

SEO

7 min read

Building 2,000 Unique SEO Pages with GPT-3
Building 2,000 Unique SEO Pages with GPT-3
SEO

7 min read


Published in

Towards Data Science

·Feb 12, 2021

Validating paid search ideas with calculus

By scraping data from keyword planner, you can use calculus to work out the maximum possible profit from a paid search campaign. — Let’s say you’re looking to launch a new paid search campaign. It could be a new campaign for an existing brand, or you could be launching a brand on paid search for the first time. …

Marketing

7 min read

Validating paid search ideas with calculus
Validating paid search ideas with calculus
Marketing

7 min read


Jan 18, 2021

Paid Search: Ads

With keywords covered, let’s now look at ads, and the role they play in paid search. For a brief refresher, ads appear on a search results page (SERP) when a keyword in the same ad group wins an auction. If there’s only on ad in the ad group, that ad…

Marketing

7 min read

Paid Search: Ads
Paid Search: Ads
Marketing

7 min read


Published in

The Startup

·Jan 16, 2021

Dear Facebook Advertisers, Stop Running Traffic Campaigns

If you browse any sort of online forum about digital advertising, there’s one piece of advice that routinely gets offered to new Facebook advertisers. It goes something like: When you’re starting out, your pixel doesn’t have any historical conversion data. …

Advertising

5 min read

Dear Facebook Advertisers, Stop Running Traffic Campaigns
Dear Facebook Advertisers, Stop Running Traffic Campaigns
Advertising

5 min read


Jan 11, 2021

Paid Search: Keywords

If you’ve been following along, you should by now know that there are these rather important things in paid search called keywords. They exist in ad groups (which in turn exist in campaigns), and they define what search terms you bid in. Let’s stop here for a second and make…

Advertising

10 min read

Paid Search: Keywords
Paid Search: Keywords
Advertising

10 min read


Published in

The Startup

·Jan 10, 2021

How Did Uber Waste So Much Ad Money?

Uber’s ad troubles aren’t recent news. As early as the start of 2020, there were stories coming out about how they’d realised they’d wasted huge multi-million dollar budgets on fraudulent ads. For some reason, these stories only received limited attention at the time, and mostly just from within the marketing…

Marketing

7 min read

How Did Uber Waste So Much Ad Money?
How Did Uber Waste So Much Ad Money?
Marketing

7 min read


Jan 4, 2021

Paid Search: Account Structures

Just like auctions, account structure is often seen as one of the less sexy topics within paid search. This is a huge shame though, as how you structure your account is arguably one of the most fundamental and impactful decisions you can make while running paid search. But first: What is an account structure? A…

Marketing

6 min read

Paid Search: Account Structures
Paid Search: Account Structures
Marketing

6 min read


Dec 28, 2020

Paid Search: Auction Mechanics

Auctions may seem an unusual place to start a guide on paid search, but understanding how they work is critical to understanding just about every aspect of the topic. They’re the fundamental mechanism which paid search operates by, and so much best practice is a direct consequence of auction mechanics. Where do auctions come in? …

Marketing

9 min read

Paid Search: Auction Mechanics
Paid Search: Auction Mechanics
Marketing

9 min read

Mack Grenfell

Mack Grenfell

505 Followers

Growth marketer — I write about how to run better ads (https://twitter.com/mackgrenfell)

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