Clear explanations of how advertising works, what it costs, and what the ASA requires, written for the businesses that buy advertising.
Try the A/B test calculator Calculate your ad budgetWhat changed this week in ASA rulings, platform pricing and the channels UK advertisers actually use.
LiteLLM says a master key exposed in a public repository in May, and never revoked, let an attacker take a GitHub owner token and push a credential-stealing 1.107.0 release on Wednesday. Microsoft...
Google's Brotli decoder bug, CVE-2026-111497, was found by OpenAI's Codex Security team and fixed in the source code in February, but no release shipped the fix until Wednesday. Node.js, Bun, Envoy,...
The Advertising Standards Authority (ASA), Committee on Advertising Practice (CAP) and the Competition and Markets Authority (CMA) have...
Arista has released fixes for CVE-2026-114625, an exploited SQL injection flaw that lets any logged-in VeloCloud Orchestrator user, down to the lowest built-in tenant role, gain operator privileges....
OpenAI says its frontier models now practice web browsing on cached pages instead of the open web. In red-team tests, its own agents found flaws giving limited internet access in almost every service...
Testers from METR and Redwood Research found unmonitored RL training runs, a compaction gap that let agents put off review and a possible Codex sandbox and Auto-Review bypass. OpenAI says the...
Guides, tools and reference pages for anyone planning UK advertising spend.
Adwalkers are people who carry a billboard through a town centre. What the format is, where it is used in the UK, what a buyer should ask about staffing, routes and permissions, and how it compares wi...
How businesses pay for advertising, how platforms target audiences, and how results are measured — explained without jargon for UK business owners.
What the ASA and CAP Code require before you run an ad in the UK — substantiation, health claims, comparisons, and endorsements explained.
How Google, Meta, and programmatic platforms price ad inventory through real-time auctions — explained for UK advertisers who want to understand what they are bidding on.
How to advertise a UK business on £500–£2,000 a month — which channels work, what to expect, and where not to waste money.
How platforms collect, match, and use personal data to target ads — explained for UK business owners and the consumers seeing those ads.
A short route through the guides, tools and reference pages that make up the site, whichever part of advertising you're trying to get right.
Step-by-step explanations of budgets, channel choice and campaign mechanics, written for someone doing this without an agency.
Explore the guides →Work out significance, budget splits and benchmark comparisons with tools built around UK pricing data.
Try the calculators →A reference list of the channels open to UK advertisers, from paid social to out-of-home (OOH).
Browse the directory →A map of which CAP Code rules apply to which channel, so you know what to check before a campaign runs.
See the regulation map →Reference tables showing how advertising spend is distributed across UK channels.
Check the spend tables →CPM, CPC, programmatic and the rest, defined in the language advertisers actually use.
Look up a term →The A/B test calculator shows whether the difference between two versions of an advert is likely to be real. The budget calculator suggests how to split spending across channels, based on typical UK platform costs.
