Mack GrenfellinTowards Data ScienceConversion Lift Tests are Dead; Transitioning to Geo-ExperimentsWith conversion lift tests on the way out, geo-experiments provide a promising alternative for measuring lift on ad campaigns.·8 min read·Oct 27, 2021----
Mack GrenfellWhat if Performance Advertising isn’t Just an Analytics Scam?Countering all the myths in Rand Fishkin’s What if Performance Advertising Is Just an Analytics Scam?·10 min read·Oct 15, 2021----
Mack GrenfellinThe StartupBuilding 2,000 Unique SEO Pages with GPT-3How I built 2k tailored SEO landing pages, in just a few hours, with Webflow & GPT-37 min read·Oct 7, 2021----
Mack GrenfellinTowards Data ScienceValidating paid search ideas with calculusBy scraping data from keyword planner, you can use calculus to work out the maximum possible profit from a paid search campaign.·7 min read·Feb 12, 2021----
Mack GrenfellPaid Search: AdsAds are one of the core parts of a paid search account. So how do they work, what are they made up of, and how do you build good ads?·7 min read·Jan 18, 2021----
Mack GrenfellinThe StartupDear Facebook Advertisers, Stop Running Traffic CampaignsIf you browse any sort of online forum about digital advertising, there’s one piece of advice that routinely gets offered to new…·5 min read·Jan 16, 2021--1--1
Mack GrenfellPaid Search: KeywordsKeywords are the most fundamental building block of paid search, so knowing their ins and outs can pay dividends.·10 min read·Jan 11, 2021----
Mack GrenfellinThe StartupHow Did Uber Waste So Much Ad Money?If you had to waste $100m a year in ad spend, how would you do it?·7 min read·Jan 10, 2021----
Mack GrenfellPaid Search: Account StructuresHaving a solid account structure is key to actually being able to run paid search campaigns profitably.·6 min read·Jan 4, 2021----
Mack GrenfellPaid Search: Auction MechanicsAuction mechanics are often overlooked, but they’re a natural starting point to understanding how paid search works.·9 min read·Dec 28, 2020----