The HTML5 Banner Delivery Checklist Agencies Actually Use
11/12/2026
An HTML5 banner delivery checklist for ad.size, clickTag, weight, backups and ZIP packaging, checked against Google, Trade Desk, Amazon and Yahoo specs.
An HTML5 banner delivery checklist for ad.size, clickTag, weight, backups and ZIP packaging, checked against Google, Trade Desk, Amazon and Yahoo specs.
Creative production for display ads, explained for agency PMs: the roles, a six-stage workflow, the specs that shape it, and when a studio beats in-house.
Mobile banner ad sizes for 2026: 320×50, 320×100, 300×250 and 320×480, with platform support, weight limits and 2x retina rules. Get the full spec table.