Guides.
How to make banners that pass upload and work in every size: specifications, layout, copy and languages, written from the platforms’ published rules and the checks our engine runs.
Follow the guides by RSSBanner sizes to plan for, platform by platform
The display, social and Performance Max sizes to plan a campaign around, where each one runs, and how to choose a set of sizes for each channel.
Updated: Reading time: 5 min
HTML5 banner checklist: pass upload the first time
A numbered checklist for HTML5 banners: ZIP and file limits per platform, the ad.size tag, clickTag per ad server, backup images, animation and weight.
Updated: Reading time: 5 min
Safe zones for Stories, Reels and full-screen ads
Where to keep text, logo and button in 9:16 Stories, Reels and TikTok ads, with Meta’s margins in pixels and a default margin for every other format.
Updated: Reading time: 4 min
Resizing vs composing: why one layout can’t fit all
Why scaling one banner to every size breaks type and layout, and how composing per shape (strip, landscape, square, portrait, tower) solves it.
Updated: Reading time: 4 min
Writing banner copy in three lengths
How to write banner headlines, sublines and buttons in three lengths, what to cut first when space runs out, and how to phrase offers and calls to action.
Updated: Reading time: 5 min
Running banner campaigns in several languages
How to run one banner campaign in several languages: transcreation over translation, German text length, French typography and formality per market.
Updated: Reading time: 5 min
Animated banners: length, loops and the final frame
How long a banner may animate under IAB and Google Ads rules, how loops count, why the final frame matters, and when to use HTML5, GIF or MP4.
Updated: Reading time: 5 min
How to brief a banner campaign
What a banner brief needs: goal, product and audience, offer and conditions, must-say lines, call to action, landing page, imagery, formats and languages.
Updated: Reading time: 5 min
Put the guide to work.
Signing up is free. Bring your website and a brief, and get a set that follows these rules in every size.