Launch & Discovery Guides
Practical guides on launching products, getting discovered, and reaching the right audience - written for founders and developers.
Display Ad Sizes: The Banners to Build, Their File Weight Caps, and the 30% Density Rule
Which banner sizes IAB Tech Lab, Google AdSense and Google Ads each list, drawn to one scale; their file weight caps; and how much of a page the Better Ads Standards let ads cover.
MediaProNet Editorial Team
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What Goes in a Media Kit: The 8 Parts an Advertiser Reads Before Booking
A media kit is the one or two pages a publisher or creator sends so an advertiser can decide and book without a call. The eight parts, which number to quote from each analytics tool, how to price a placement, and the checks a buyer runs before paying.
ads.txt and sellers.json: How Publishers Declare Who May Sell Their Ad Space, and How Buyers Check It
ads.txt lists the ad companies allowed to sell a website's ad space; sellers.json and the SupplyChain object show who is behind each seller account. The line format, DIRECT vs RESELLER, the crawler rules, and the four checks a buyer runs on one bid request.
What Counts as a Viewable Impression? The 50% for One Second Rule, and What It Costs You
An ad impression is viewable when half its pixels are on screen for one continuous second, or two seconds for video. The full industry standard, served vs measured vs viewable counts, what a viewable thousand really costs, and what buyers and publishers can check.
#ad, Sponsored or Paid Partnership? Which Disclosure Label Works in the US, UK and EU
Put "Ad" first, where people look before anything else. A label-by-label check of what the US FTC and the UK ASA accept, what EU law requires, and where the label goes in posts, videos, streams and sponsored articles.