
Latest
Why we rebuilt our agency site
Through a researcher's lens: speed, measurement and control in a modern marketing stack.
· 2 min read
Read the postBlog
What we learn running paid media, fixing measurement and modelling decisions, written up plainly with the uncertainty left in.

Latest
Through a researcher's lens: speed, measurement and control in a modern marketing stack.
· 2 min read
Read the postWhy we use equations, models, and maths at D3: not to look clever, but to make better decisions under uncertainty.
4 min read
Five wins and a silver at the European Search Awards 2025, and where we put the trophies.
2 min read
D3 was founded in Cardiff in 2019, during a recovery from spinal surgery. Here is why it exists and how it works.
2 min read
From AI automation to ad-free social media, we look at the key trends that will define pay-per-click advertising in 2024.
6 min read
D3 wins Best Use of Search, B2C (PPC) for our work with Keto-Pro at the European Search Awards in Lisbon.
3 min read
We came home from Barcelona with a gold and a silver at the European Search Awards.
5 min read
D3 was shortlisted in five categories at the UK Search Awards 2021, our first awards year.
5 min read
Why the best decisions come from combining the Highest Paid Person's Opinion (HiPPO) with the Data Analyst Paid Person's Opinion (DAPPO).
4 min read
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